WASTE SYSTEMS INTERNATIONAL INC
S-3, 1999-08-06
PATENT OWNERS & LESSORS
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                              Registration No. 333-




                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                 ---------------

                                    FORM S-3
                          REGISTRATION STATEMENT UNDER
                           THE SECURITIES ACT OF 1933
                                 ---------------

                        WASTE SYSTEMS INTERNATIONAL, INC.
             (Exact name of Registrant as specified in its charter)

              -----------------------------------------------------

                    DELAWARE                                  95-420366

         (State or Other Jurisdiction of                   (I.R.S. Employer
          Incorporation or Organization)                  Identification No.)


                          420 Bedford Street, Suite 300
                         Lexington, Massachusetts 02420
                                 (781) 862-3000
          (Address, including zip code, and telephone number, including
             area code, of Registrant's principal executive offices)
                                 ---------------

                                PHILIP W. STRAUSS
                 Chairman, Chief Executive Officer and President
                        WASTE SYSTEMS INTERNATIONAL, INC.
                          420 Bedford Street, Suite 300
                         Lexington, Massachusetts 02420
                                 (781) 862-3000
            (Name, Address, Including Zip Code, and Telephone Number,
                   Including Area Code, of Agent for Service)
                                 ---------------
                                   Copies to:

                             THOMAS P. STORER, P.C.
                           GOODWIN, PROCTER & HOAR LLP
                                 Exchange Place
                                Boston, MA 02109
                                 (617) 570-1000

Approximate  date of commencement  of proposed sale to the public:  From time to
time after the effective date of this Registration  Statement,  as determined by
the Registrant.

         If the only securities  being registered on this form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. [ ]

         If any of the  securities  being  registered  on  this  form  are to be
offered  on a  delayed  or  continuous  basis  pursuant  to Rule 415  under  the
Securities Act of 1933,  other than  securities  offered only in connection with
dividend or interest reinvestment plans, please check the following box. [ x ]

         If this form is used to register additional  securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. [ ]

         If this  form is a  post-effective  amendment  filed  pursuant  to Rule
462(c) under the  Securities  Act,  please check the  following box and list the
Securities  Act  registration   statement   number  of  the  earlier   effective
registration statement for the same offering. [ ]

         If delivery of the  prospectus  is expected to be made  pursuant to
Rule 434,  please check the  following box.  [  ]


<PAGE>

<TABLE>
<S>                         <C>               <C>                    <C>                        <C>

                                           CALCULATION OF REGISTRATION FEE
- -------------------------- ------------------ --------------------- --------------------------- --------------------
 Title of Each Class of      Amount to be       Proposed Maximum         Proposed Maximum            Amount of
    Securities to be          Registered       Offering Price Per    Aggregate Offering Price    Registration Fee
       Registered                                   Share(1)                                            (2)
- -------------------------- ------------------ --------------------- --------------------------- --------------------
      Common Stock,
      par value $0.01      2,244,109 shares          $6.44                 $14,452,061               $4,017.67
- -------------------------- ------------------ --------------------- --------------------------- --------------------
</TABLE>

(1)  Estimated  solely for the purpose of calculating  the  registration  fee in
     accordance  with Rules 457(a) and 457(c) under the  Securities Act of 1933,
     as amended (the "Securities Act"), based on the average of the high and low
     prices on the Nasdaq  SmallCap  Market for  August 2, 1999 as  reported  by
     NASDAQ.

(2)  A filing fee of $2,904.82 was previously  paid in connection with 1,044,900
     shares  of  common  stock  registered  under  the  Company's   registration
     statement on Form S-3 filed as of September  29, 1998 with  Securities  and
     Exchange  Commission  (File No.  333-64553)  and with respect to which this
     registration statement amends such previous registration statement.


     Pursuant  to  Rule  429  of the  Securities  Act of  1933,  the  prospectus
contained in this  registration  statement  also relates to 1,044,900  shares of
unissued common stock registered under the Company's  registration  statement on
Form S-3 filed  September 29, 1998 with the Securities  and Exchange  Commission
(File No. 333-64553).  This registration statement,  which is a new registration
statement, also constitutes a post-effective amendment to registration statement
No. 333-64553. Such post-effective amendment shall become effective concurrently
with the effectiveness of this registration statement in accordance with Section
8(a) of the Securities Act of 1933.
                                 ---------------

     The registrant  hereby amends this  registration  statement on such date or
dates as may be necessary to delay its effective date until the registrant shall
file a further  amendment  which  specifically  states  that  this  registration
statement shall  thereafter  become effective in accordance with Section 8(a) of
the Securities  Act of 1933, as amended,  or until this  registration  statement
shall become  effective on such date as the Securities and Exchange  Commission,
acting pursuant to said Section 8(a), may determine.

Information   contained  herein  is  subject  to  completion  or  amendment.   A
Registration  Statement  relating  to these  securities  has been filed with the
Securities  and Exchange  Commission  but has not yet been  declared  effective.
These  securities may not be sold nor may offers to buy be accepted prior to the
time the Registration  Statement  becomes  effective.  This prospectus shall not
constitute  an offer to sell or the  solicitation  of an offer to buy nor  shall
there  by any sale of  these  securities  in any  state  in  which  such  offer,
solicitation or sale would be unlawful prior to  registration  or  qualification
under the securities laws of any such State.
       Subject to completion, preliminary prospectus dated August 4, 1999

                                   PROSPECTUS

                        Waste Systems International, Inc.

                2,244,109 Shares of Common Stock $0.01 par value

o    The  persons  listed as the selling  stockholders  in this  Prospectus  are
     offering to sell up to 2,244,109  shares of Waste Systems common stock, par
     value $0.01 per share.

o    Waste  Systems's  common  stock is traded  under the  symbol  "WSII" on the
     Nasdaq Stock Market,  Inc.'s SmallCap Market System. On August 2, 1999, the
     reported closing price for the common stock was $6.50 per share.

o    The selling  stockholders may offer their shares from time to time in stock
     exchange  transactions,  in  privately  negotiated  transactions  or  by  a
     combination of these methods, directly or indirectly through agents, and at
     prevailing market prices or privately  negotiated  prices. See the "Plan of
     Distribution" section of this prospectus.

o    WasteSystems will not receive any proceeds from the sale of  shares  by the
     selling  stockholders.  We  will  pay  substantially  all of  the  expenses
     incident  to the  registration  of these  shares,  except  for the  selling
     commissions.

o    Waste Systems is an integrated non-hazardous solid waste management company
     that provides waste collection,  recycling,  transfer and disposal services
     to commercial,  industrial, residential and municipal customers within some
     regional markets in the Northeast and mid-Atlantic states where we operate.

o    We are a Delaware corporation,  with principal executive offices located at
     420  Bedford  Street,  Suite  300,  Lexington,   Massachusetts  02420;  our
     telephone number is (781) 862-3000.

<PAGE>

             Please consider carefully the "Risk Factors" beginning
                          on page 6 of this prospectus.
                              --------------------

The  information  in this  prospectus is not complete and may be changed.  These
securities  may  not be  sold  nor  may  offers  to buy be  accepted  until  the
registration  statement  filed with the  Securities  and Exchange  Commission is
effective.  This  prospectus is not an offer to sell these  securities and it is
not soliciting an offer to buy these  securities in any state where the offer or
sale is not permitted.

Neither  the  Securities  and  Exchange  Commission  nor  any  state  securities
commission  has approved or  disapproved  of the common  stock,  nor have any of
these organizations determined that this prospectus is accurate or complete.
Any representation to the contrary is a criminal offense.


                The date of this prospectus is August 4, 1999

<PAGE>

                                TABLE OF CONTENTS
                                                                            Page

FORWARD-LOOKING STATEMENTS....................................................1

PROSPECTUS SUMMARY............................................................2

SECURITIES TO BE OFFERED......................................................2

THE COMPANY...................................................................2

RISK FACTORS..................................................................6
     Issuance of additional equity may be dilutive to stockholders............6
     Future sales of common stock may adversely affect the market for
        our common stock......................................................6
     Market conditions may reduce the trading price of our common stock.......7
     We do not plan to pay dividends to our stockholders......................7
     Our history of losses makes the common stock a highly speculative
        investment............................................................7
     Risks of substantial voting control by Waste Systems's management
        and major stockholders................................................8
     Anti-takeover provisions.................................................8
     Our high level of indebtedness could adversely affect our
        financial health......................................................8
     Failure to achieve adjusted stockholders equity of at least
        $40,000,000 will increase our interest expense........................9
     Incurring more debt could further exacerbate the risks of our
        high level of indebtedness............................................10
     We may not generate enough cash to service our indebtedness or
        our other liquidity needs.............................................10
     We have no control over many factors in our ability to finance
        planned growth........................................................10
     Our future success depends upon our ability to manage rapid
        growth in operations and personnel....................................11
     Our future success depends upon our ability to identify, acquire
        and integrate acquisition targets.....................................11
     Loss of key executives could affect our ability to achieve
        Waste Systems'business objectives.....................................11
     Failed acquisitions or projects may adversely affect our results
        of operations and financial condition.................................11
     Our business may not succeed due to the highly competitive nature
        of the solid waste management industry................................12
     Seasonal revenue fluctuations may negatively impact our operations.......12
     The geographic concentration of our operations magnifies the risks
        to our success........................................................12
     Potential difficulties in acquiring landfill capacity could
        increase our costs....................................................13
     Failure to obtain landfill closure performance bonds and letters
        of credit may adversely affect our business...........................13
     Estimated accruals for landfill closure and post-closure costs
        may not meet our actual financial obligations.........................13
     Environmental and other government regulations impose costs and
        uncertainty on our operations.........................................13
     We are exposed to potential liability for environmental damage
        and regulatory noncompliance..........................................14
     Our environmental liability insurance may not cover all risks of
        loss..................................................................14
     Addressing local community concerns about our operations may
        adversely affect our business.........................................14
     Year 2000 problems could have an adverse impact on our business..........14

RECENT DEVELOPMENTS...........................................................15

MATERIAL TERMS OF THE SELLING STOCKHOLDERS'TRANSACTION........................19

SELLING STOCKHOLDERS..........................................................20

PLAN OF DISTRIBUTION..........................................................21

USE OF PROCEEDS...............................................................23

LEGAL MATTERS.................................................................23

EXPERTS.......................................................................23

WHERE YOU MAY FIND MORE INFORMATION...........................................24

DOCUMENTS INCORPORATED BY REFERENCE...........................................24

<PAGE>

                                                        24

                           FORWARD-LOOKING STATEMENTS

     This prospectus  includes both historical and  forward-looking  statements.
These  forward-looking  statements are not facts rather, they are intentions and
expectations relating to our plans,  strategies and prospects under the headings
"Prospectus   Summary,"   "Risk   Factors"   and  "Recent   Developments."   The
forward-looking  statements in these sections of the prospectus can generally be
identified by our use of words such as "plan,"  "intend,"  "believe,"  "expect,"
and  other  words of  similar  import.  Although  we  believe  that  our  plans,
intentions  and  expectations  reflected in or suggested by the  forward-looking
statements are reasonable,  we cannot assure you that we will achieve the plans,
intentions  or  expectations.  We urge you to consider  carefully  the important
factors  that  could  cause  actual  results  to  differ   materially  from  the
forward-looking  statements.  Some of these factors are described in the section
entitled  "Risk  Factors"  and  elsewhere  in this  prospectus.  We make all the
forward-looking  statements  in  this  prospectus  only  as of the  date of this
prospectus,   and  we   undertake   no   obligation   to  publicly   update  the
forward-looking statements to reflect subsequent events.

                               PROSPECTUS SUMMARY

     This summary highlights selected information from this prospectus, but does
not contain all the  information  that may be important to you. This  prospectus
includes or incorporates by reference information regarding our business and the
selling  stockholders who are offering common stock for resale. We encourage you
to review the detailed  information and data appearing elsewhere or incorporated
by reference in this  prospectus.  Except in discussing our business and results
of  operations  and where the context  requires  otherwise,  references  in this
prospectus  to "we," "us," "our,"  "Waste  Systems" or "Company"  refer to Waste
Systems  International,  Inc.,  and  not to any of our  subsidiaries.  The  term
"common stock" as used in this prospectus  refers to the common stock, par value
$0.01 per share, of Waste Systems International, Inc.


                            SECURITIES TO BE OFFERED


     This  prospectus  relates  to the  offer  and sale from time to time by the
persons listed in this prospectus as the selling stockholders of up to 2,244,109
shares of common stock.  These shares are being registered by us under the terms
of  exchange   agreements   between  Waste  Systems  and  each  of  the  selling
stockholders  listed in this  prospectus,  and we will not receive any  proceeds
from the sale thereof. We will pay substantially all of the expenses incident to
the registration of these shares, except for the selling commissions, if any.

     The selling  stockholders may offer their shares from time to time in stock
market transactions, in privately negotiated transactions or by a combination of
these methods,  directly or indirectly  through agents, and at prevailing market
prices or privately negotiated prices. See the "Plan of Distribution" section of
this  prospectus.  Waste Systems' common stock is traded under the symbol "WSII"
on the Nasdaq Stock Market,  Inc.'s SmallCap  Market System.  On August 2, 1999,
the reported closing price for the common stock was $6.50 per share.

     The 2,244,109  shares of common stock being offered in this prospectus were
issued in exchange for 7%  convertible  subordinated  notes due 2005  previously
held by the  selling  stockholders.  On May 13,  1998,  Waste  Systems  closed a
private  placement  offering of $60.0 million principal amount of 7% Convertible
Subordinated Notes due 2005 to the selling stockholders and other investors. The
terms of the notes provide, among other things, that the principal amount of the
notes and any accrued but unpaid interest are convertible into common stock at a
conversion price of $10.00 per share.

     On March 31, 1999, we closed a private  exchange  offer in which we offered
common stock to holders of the 7% Convertible Subordinated Notes in exchange for
a portion of their outstanding notes. In the exchange offer, we issued 2,244,109
shares of common stock in exchange for $10,449,000 in aggregate principal amount
of notes.  Please  refer to the section of this  prospectus  entitled  "Material
Terms of the Selling Stockholders'  Transaction" for a more complete description
of the exchange offer.


                                   THE COMPANY

     We are an  integrated  non-hazardous  solid waste  management  company that
provides  waste  collection,   recycling,  transfer  and  disposal  services  to
commercial, industrial, residential and municipal customers within some regional
markets in the  Northeast  and  Mid-Atlantic  states  where we  operate.  We are
achieving significant growth by implementing an active acquisition strategy, and
plan to  contribute to our growth by  generating  increased  sales from existing
operations  and achieving  greater  operating  efficiencies.  Waste Systems is a
Delaware corporation. Our principal executive offices are located at 420 Bedford
Street,  Suite 300, Lexington,  Massachusetts 02420, and our telephone number is
(781) 862-3000.

Current Integrated Operations

     We currently operate, and intend to expand, regional networks of integrated
waste collection and disposal  operations.  These integrated networks consist of
operating landfills, waste transfer stations, and waste collection operations.


<PAGE>

     o    Waste Collection Operations

     We own multiple  waste  collection  operating  subsidiaries  which serve as
conduits of waste flow to our transfer stations and landfill  operations.  As of
June 9, 1999, our waste  collection  operations  serve a total of  approximately
72,000  commercial,  industrial,  residential  and  municipal  customers  in the
Vermont,  Central  Pennsylvania,  Upstate  New  York and  Central  Massachusetts
markets. Since then we have acquired an additional waste collection and transfer
station operation servicing the Baltimore, Maryland/Washington, D.C. region, and
completed the acquisition of established  waste  collection and transfer station
operations in Southern New Hampshire and Eastern Massachusetts.

     o    Landfill Operations

     We  currently  own four  landfills,  one in  Vermont  and three in  Central
Pennsylvania.  Two of these were operating in 1998, and generated  approximately
20% of our 1998  revenues.  Of the remaining  two, one began  operating in March
1999 with the  acquisition of Community  Refuse  Service,  Inc. and we expect to
begin operating the other in the fourth quarter of 1999. The aggregate remaining
estimated  permitted  capacity of these four owned landfills is approximately 24
million cubic yards.  In addition,  we have a 16-year  contract with the Town of
South Hadley,  Massachusetts to operate that town's landfill, subject to receipt
of required permits,  which we expect to begin operating in the first quarter of
2000. The South Hadley  landfill has an estimated  capacity of 2.0 million cubic
yards available for future disposal.

     o    Transfer Station Operations

     We provide transfer  station  services  supporting one of our landfills and
have  acquired  another  transfer  station  that  is  permitted  and  has  begun
construction.  We  recently  completed  the  acquisition  of an  operation  that
provides  both waste  collection  and transfer  station  services.  We have also
recently  completed the  acquisition of two additional  transfer  stations.  The
transfer stations serve as gateways of waste streams by receiving and compacting
solid waste  collected  by us and by third  parties,  which we then  transfer by
long-haul trucks for disposal at landfills we operate.

The Movement of the Solid Waste Management Industry Toward Consolidation and
Integration

     The solid waste  management  industry is undergoing  general  trends toward
significant  consolidation  and  integration.  We believe  these  trends are due
primarily to the following factors:

     o  stringent environmental regulations which require increased capital to
        maintain regulatory compliance;

     o  the inability of many smaller operators to achieve the competitive
        economies of scale enjoyed by larger operators;

     o  the competitive and economic benefits of providing integrated
        collection, recycling, transfer and disposal services; and

     o  the  privatization  of solid  waste  landfills,  transfer  stations,
        and collection services by municipalities.

     Although  significant  consolidation  has  occurred  within the solid waste
management industry,  we believe the industry remains highly fragmented and that
a substantial  number of potential  acquisition and privatization  opportunities
remain, including in the Northeast and Mid-Atlantic states where we operate.

Our Strategy to Capitalize on Industry Consolidation and Integration

     We seek to acquire  independent  collection,  transfer station and landfill
operations  in  appropriate  locales to integrate  those  acquisitions  into our
current  operations.  Our  objective  is to expand the  geographic  scope of our
operations and to become one of the leading non-hazardous solid waste management
companies  in each local  market  that we serve.  The  primary  elements  of our
strategy for achieving these objectives are:

<PAGE>

     o   Executing our acquisition  program. Our acquisition program consists of
         identifying  regional markets and acquiring  non-hazardous  solid waste
         disposal  assets in those targeted  markets that we can operate as part
         of a fully integrated solid waste  management  operation.  To establish
         ourselves  within a  selected  market,  we seek  acquisitions  that are
         consistent  with our plan to acquire  long-term  disposal  capacity  in
         targeted regional markets,  collection  companies and transfer stations
         in the targeted  regions to secure a stable  long-term  waste flow, and
         small but complementary  "tuck-in"  collection  companies to increase a
         regional operation's profitability.

     o   Generating  internal growth.  We plan to generate  internal growth from
         existing  operations by increasing sales penetration in our current and
         adjacent markets, soliciting new commercial, industrial and residential
         customers, marketing upgraded services to existing customers and, where
         appropriate, raising prices.

     o   Increasing  operating  efficiency.  We expect to increase our operating
         efficiency through implementation of an organizational system that sets
         operating  standards and analyzes operating criteria of our collection,
         transfer, disposal and other services.

     In connection with our growth strategy,  Waste Systems  currently is and at
any given time will be involved in  potential  acquisitions  that are in various
stages of exploration and negotiation,  ranging from initial  discussions to the
execution of letters of intent and the  preparation  of  definitive  agreements.
Some of these potential acquisitions may be material. No assurance can be given,
however,  that we will be  successful  in  completing  further  acquisitions  in
accordance with our growth strategy, or that acquisitions, if completed, will be
successful.  For a  description  of the risks  involved in our growth  strategy,
please refer to the subsections of the "Risk Factors" section of this prospectus
on page 9 beginning with "We have no control over many factors in our ability to
finance planned growth."

Our Key Strengths

     Through  the   implementation  of  our  growth  strategy,   we  believe  we
demonstrate the following key strengths:

     o    Development of Fully Integrated Operations

     We continue to develop  more fully  integrated  operations  in our targeted
market  areas.  During  1998,  over 95% of the  solid  waste  from  our  Vermont
operations  was delivered for disposal at our Moretown,  Vermont  landfill,  and
approximately  40% of the solid waste  delivered  for  disposal at the  Moretown
landfill during this period was collected by us. During 1998,  approximately 59%
of the solid waste from our Central  Pennsylvania  operations  was delivered for
disposal at the Sandy Run landfill in Hopewell,  Pennsylvania, and approximately
60% of the solid waste  delivered for disposal at the Sandy Run landfill  during
this period was  collected  by us. We expect to begin  integration  of our waste
collection  operations and transfer  station  services in Central  Massachusetts
once the South Hadley landfill is operational.  We recently acquired our Upstate
New York waste  collection and transfer  station  operations in  anticipation of
landfill acquisition and privatization opportunities in that market area.

     o    Operating Efficiencies

     We are achieving  significant  operating  efficiencies  and reducing  costs
through  consolidation  and  elimination  of  redundant  corporate  and  service
functions in acquired businesses.

     o    Significant Disposal Capacity

     We have  approximately  26.0  million  cubic yards of landfill  capacity in
landfills  we own or  operate,  of which  9.9  million  cubic  yards  are  fully
permitted and operating.  We recently began  construction  on an additional 14.2
million  cubic  yards of  landfill  capacity,  and 2.0  million  cubic yards are
engaged in the final  permitting  process.  This significant  disposal  capacity
gives us the opportunity to achieve a high degree of internalization by allowing
room for disposal of the waste streams  generated by our growing  collection and
transfer operations.

     o    Successful Acquiror and Consolidator

     We believe that we have  demonstrated  our ability to realize  value in the
fragmented solid waste management  industry by completing  acquisitions of three
landfills,  five transfer stations,  and 41 solid waste collection operations in
the Northeast  and  Mid-Atlantic  regions  since  January  1998.  Please see the
section of this prospectus entitled "Recent  Developments"  beginning on page 16
for a more  complete  description  of  our  current  activities.  We  have  been
effective in executing our acquisition  program to expand our solid waste assets
in our targeted regional markets at prices we believe will provide opportunities
for increased  profits and  flexibility in operations.  As a result of executing
our  acquisition  program,  we have realized  significant  growth in revenue and
earnings before interest,  taxes, depreciation and amortization or EBITDA, which
we believe is a measure  commonly used by lenders and some investors to evaluate
a company's performance in our industry.

     o    Strong Management Team

     Our  management  team  has a  demonstrated  track  record  of  identifying,
acquiring,  integrating and operating non-hazardous solid waste disposal assets.
Our  executives and operation  managers  average 13.2 years of experience in the
solid waste disposal industry. In addition, senior management owns a significant
equity stake in Waste Systems, which motivates them to achieve our objectives to
maximize the value of their Waste Systems stock.

Risk Factors

     You should  consider  carefully  all of the  information  set forth in this
prospectus  and, in particular,  the specific  factors set forth under the "Risk
Factors" section beginning on page 6 before deciding to invest in the securities
being offered in this prospectus.

                                  RISK FACTORS

     In addition to the other information contained or incorporated by reference
in this  prospectus,  you should  consider the  following  factors  carefully in
evaluating  an  investment  in the  shares  of  common  stock  offered  by  this
prospectus.

Issuance of additional equity may be dilutive to stockholders.

     Future  issuance of additional  equity by us may dilute the interest of our
existing stockholders. We currently have:

o        up to 4,955,143  shares of common stock issuable upon conversion of our
         7%  Convertible  Subordinated  Notes  outstanding  as of June 30, 1999,
         which are  convertible  at $10 per share at any time by the  holders of
         the notes, and by us if the closing price of the common stock after May
         13, 2000  remains  above $10 per share for twenty  consecutive  trading
         days;

o        up to  1,500,000  shares of common  stock  issuable  upon  exercise  of
         outstanding  warrants,  which  are  exercisable  at $6.25  per share of
         common stock from September 2, 1999 to March 2, 2004;

o        up to 1,576,292  shares of our common stock  issuable upon  conversion,
         which is  subject  to  stockholder  approval,  of the 894 shares of our
         Series C  Preferred  Stock  issued to former  stockholders  of  Eastern
         Trans-Waste  of  Maryland,   Inc.  as  consideration  in  our  recently
         completed acquisition of that company;

o        up to  3,175,768  shares of common  stock  issuable  upon  exercise  of
         options  outstanding  as of June 30, 1999 under our stock option plans,
         subject to vesting requirements, at prices ranging from $1.41 to $9.25;
         and

o        an additional 824,232  shares of  common stock reserved for issuance as
         of June 30, 1999 under our stock option plans.

     In addition, on July 30, 1999, we completed an initial closing of a private
placement  in which we  issued  571,429  shares of  common  stock for  aggregate
consideration  of $4 million,  and on August 2, 1999 we  completed a  subsequent
closing of the  private  placement  in which we issued an  additional  1 million
shares of common stock for aggregate additional consideration of $7 million. The
proceeds  from  the  private   placement  will  be  used  for  potential  future
acquisitions  and  general  working  capital  purposes.  We  anticipate  holding
additional  subsequent  closings under the private placement for the issuance of
up to an additional  1,285,714 shares, for a total of 2,857,143 shares and gross
total private placement proceeds of $20 million. Finally, our ability to achieve
our  business  objectives  depends on our use of a blend of debt  financing  and
equity financing  appropriate for executing our business strategy. To the extent
that  additional  equity  securities are issued to finance  future  acquisitions
instead of issuing  additional debt, the interests of our existing  stockholders
will be diluted.

Future  sales of common  stock may  adversely  affect  the market for our common
stock.

     Stockholders  may be adversely  affected by future sales of common stock by
other  stockholders.  If any of our larger stockholders sell substantial amounts
of our  common  stock  eligible  for  resale in the  public  market  after  this
offering,  the market price of our common stock could fall.  Such sales may also
make it more  difficult  for us in the future to sell  equity or  equity-related
securities in the public  market,  whether for the purpose of general  corporate
financing  or for use as  consideration  in an  acquisition,  at a time and at a
price that we deem appropriate.

     Upon  completion of this offering,  we will have  13,405,394  shares of our
common stock outstanding  (based on the number of shares  outstanding as of June
30, 1999 and assuming no exercise of outstanding stock options after that date),
all of which are freely tradable without restriction under the Securities Act of
1933 (the "Securities Act").

     In addition, we have already registered for resale:

o        up to 4,955,143  shares of common stock issuable upon conversion of our
         7%  Convertible  Subordinated  Notes at any time by the  holders of the
         notes; and

o        4,000,000  shares of common stock reserved for issuance under our stock
         option plans.

     In addition, we currently intend to register:

o        warrants to purchase an aggregate  of 1,500,000  shares of common stock
         at an exercise price of $6.25 per share,  and the common stock issuable
         upon  exercise of those  warrants,  for resale by the holders  (see the
         section of this prospectus entitled "Recent  Developments--Senior Notes
         Offering" for a more complete  description of the private placement and
         related registration rights);

o        up  to   2,678,620   shares  of  our  common  stock  issued  to  former
         stockholders of Eastern  Trans-Waste of Maryland,  Inc. as a portion of
         the consideration we paid in our recently completed acquisition of that
         company, under a registration rights agreement with its sellers;

o        up to 1,576,292  shares of our common stock  issuable upon  conversion,
         which is  subject  to  stockholder  approval,  of the 894 shares of our
         Series C  Preferred  Stock  issued to former  stockholders  of  Eastern
         Trans-Waste  of  Maryland,   Inc.  as  consideration  in  our  recently
         completed  acquisition  of that company,  under a  registration  rights
         agreement with its sellers; and

o        up to 2,857,143  shares of common stock for resale by stockholders  who
         receive those shares in our recent  private  placement (see the section
         of this prospectus entitled "Recent Developments--Private  Placement of
         Common Stock" for a more complete description of this transaction).

Market conditions may reduce the trading price of our common stock

     The market price of our common stock has  historically  experienced and may
continue to experience high volatility. Our quarterly operating results, changes
in  general  conditions  in the  economy  or the  financial  markets  and  other
developments affecting us or our competitors could cause the market price of our
common stock to fluctuate substantially. In addition, in recent years, the stock
market  has  experienced   significant  price  and  volume  fluctuations.   This
volatility has affected the market prices of securities issued by many companies
for reasons  unrelated to their operating  performance and may adversely  affect
the price of our common stock.

We do not plan to pay dividends to our stockholders

     We have never  declared  or paid a cash  dividend on our common  stock.  We
intend  to  retain  earnings  to  repay  debt  and to  finance  the  growth  and
development of our business and do not  anticipate  paying cash dividends on our
common stock in the  foreseeable  future.  Any  declaration  of dividends in the
future  will  depend,  among  other  things,  upon our  results  of  operations,
financial  condition  and  capital  requirements  as  well as  general  business
conditions.  Our outstanding  debt securities  also contain  restrictions  which
prohibit us from making dividend payments to our stockholders.

Our history of losses makes the common stock a highly speculative investment.

     From  Waste  Systems's  inception  through  March  31,  1999,  we have  had
aggregate net losses of  approximately  $43.9  million on aggregate  revenues of
approximately $36.2 million and had an accumulated loss from operations of $26.0
million.  Following Waste Systems's restructuring in 1996, we directed our focus
on becoming an  integrated  solid waste  management  company by  implementing  a
business strategy based on aggressive growth through  acquisitions.  Our ability
to become  profitable  and to maintain  profitability  as we pursue our business
strategy will depend upon several factors, including our ability to:

   o execute our  acquisition  strategy  and expand our  revenue  generating
     operations   while    maintaining   or   reducing   our   proportionate
     administrative expenses;

   o locate sufficient financing to fund acquisitions; and

   o adapt to changing conditions in the competitive market in which we operate.

External factors,  such as the economic and regulatory  environments in which we
operate will also have an effect on our business and its profitability. However,
continued  losses and negative cash flow may not only prevent us from  achieving
our  strategic  objectives,  it may also  limit our  ability  to meet  financial
obligations.

Risks of  substantial  voting  control by Waste  Systems's  management and major
stockholders.

     As of June 30, 1999,  Waste  Systems's  directors,  executive  officers and
their affiliates and other major stockholders -- those holding 5% or more of the
common stock -- beneficially owned approximately 86.5% of the outstanding shares
of common  Stock.  Accordingly,  these  stockholders  are  considered  to have a
controlling  influence  over the election of directors  and other  corporate and
stockholder actions.

Anti-takeover provisions.

     Applicable sections of the Delaware General Corporation Law and our charter
and by-laws may have an anti-takeover  effect and discourage  takeover  attempts
not first  approved by our Board of  Directors  (including  takeovers  which our
stockholders  may  consider  to be in their  best  interests).  Such  provisions
include:

  o Section 203 of the Delaware General  Corporation Law which, in general,
    imposes restrictions upon certain acquirors (including their affiliates
    and associates) of 15% or more of our common stock;

  o a charter  provision giving our Board of Directors the ability to issue
    shares  of  preferred   stock  and  to  establish  the  voting  rights,
    preferences  and other terms of preferred  stock without further action
    by stockholders;

  o a charter  provision  limiting the removal of directors  only for cause
    and requiring  for such removal the approval of at least  two-thirds of
    the votes eligible to be cast by  stockholders  in the election of such
    director;

  o a  by-law  provision  vesting  exclusive  authority  in  the  Board  of
    Directors to determine the size of the Board of Directors and,  subject
    to limited exceptions, to fill any Board vacancies;

  o a by-law provision vesting exclusive authority in the Board of Directors to
    call special meetings of stockholders; and

  o a by-law provision  requiring advance notice for stockholder  proposals
    and nominations for election to the Board of Directors.

These  statutory,  charter and by-law  provisions  could delay or frustrate  the
removal of incumbent  directors or the  assumption  of control by  stockholders,
even  if  such  removal  or   assumption  of  control  would  be  beneficial  to
stockholders.  These  provisions also could  discourage or make more difficult a
merger,  tender offer or proxy contest,  even if such events would be beneficial
to the interest of stockholders.

Our high level of indebtedness could adversely affect our financial health.

     We currently have a high level of  indebtedness  relative to  stockholders'
equity.  The following tables  illustrate our level of indebtedness and ratio of
earnings to fixed charges:

                                                           As of March 31, 1999
                                                          (dollars in thousands)

             Long-term indebtedness.......................      $   152,057
             Stockholders' equity.........................      $     5,892
             Debt to equity ratio.........................           25.7:1

        Our high level of indebtedness could:

   o limit our flexibility in planning for, or reacting to, changes in business,
     industry and economic conditions;

   o require  us to  dedicate a  substantial  portion of  our  cash  flow  from
     operations  to repaying  indebtedness,  thereby  reducing the availability
     of our cash flow to fund working  capital,  capital expenditures and other
     general corporate purposes;

   o place us at a competitive disadvantage compared to our competitors with
     lower levels of indebtedness; and

   o limit our ability to borrow additional funds because of a potential
     lender's limits on borrower indebtedness.

        Our high level of indebtedness  may have a direct negative impact on our
operations. It may also result in an event of default under our debt instruments
which,  if not cured or  waived,  could have a  material  adverse  effect on our
finances.
<TABLE>
<S>                                                             <C>                    <C>            <C>

                                                                   For the three        For the Years Ended
                                                                   months ended            December 31,
                                                                  March 31, 1999        1998          1997
                                                                  --------------        ----          ----

       Ratio of earnings to fixed charges......................        N/A               N/A           N/A
</TABLE>

        For the three months  ended March 31, 1999,  we incurred net losses that
did not cover fixed charges by  approximately  $8.8 million;  for the year ended
December  31, 1998,  we incurred net losses that did not cover fixed  charges by
approximately  $6.6  million;  and for the year  ended  December  31,  1997,  we
incurred  net losses  that did not cover  fixed  charges by  approximately  $5.5
million.  For purposes of computing this financial  relationship  of earnings to
fixed  charges,  earnings  consist  of  pretax  income  (loss)  from  continuing
operations  plus fixed charges.  Fixed charges  consist of interest  expense and
financing  costs,  including  capitalized  interest and amortization of deferred
financing  costs,  and an  estimated  portion of rentals  representing  interest
costs.

Failure to achieve  adjusted  stockholders  equity of at least  $40,000,000 will
increase our interest expense.

        We must  increase the interest  rate payable on the senior notes to 13%,
14% and 15% per year if we do not achieve an Adjusted  stockholders'  equity, as
defined below,  of at least  $40,000,000 on each of December 31, 1999,  June 30,
2000, and December 31, 2000, respectively. "Adjusted stockholders' equity" means
our  stockholders'  equity as shown on our consolidated  balance sheets filed as
part of our regular  reports with the Securities and Exchange  Commission,  less
the amount of any increase resulting from the issuance of shares of common stock
in exchange for our outstanding 7% Convertible Subordinated Notes, to the extent
that the issuance exceeds 2,343,646 shares of common stock in the aggregate.

Incurring  more debt  could  further  exacerbate  the risks of our high level of
indebtedness.

        Despite our current high level of indebtedness,  we may incur additional
indebtedness to fund  acquisitions,  for general working capital purposes or for
other  reasons.  On July 22, 1999, we entered into a revolving  credit  facility
with BankNorth Group, N.A. to fund acquisitions and for general working capital.
While no credit has been drawn on this facility to date, the agreement  provides
for up to $25 million in secured debt that is guaranteed by our subsidiaries. If
other  new debt is added to our  current  level of debt,  the  related  risks of
indebtedness could intensify for us.

We may not  generate  enough  cash to  service  our  indebtedness  or our  other
liquidity needs.

        Our ability to make payments on and to refinance our indebtedness and to
fund planned capital expenditures will depend on our ability to generate cash in
the future.  This ability  depends in part on our operating  performance and the
execution of our business  strategy.  It is also subject to influence by general
economic, financial, competitive, legislative, regulatory and other factors that
are beyond our control.

        We cannot  assure you that our business will  generate  sufficient  cash
flow  from  operations,  that we will  realize  anticipated  cost  savings  from
operating  efficiency  improvements,  or that we will be able to  obtain  future
financing in amounts sufficient to enable us to pay our indebtedness, or to fund
our other liquidity needs.

        The  following   table  outlines  the  schedule  of  our  required  debt
amortization payments:

<TABLE>
<S>                    <C>           <C>     <C>    <C>      <C>      <C>       <C>     <C>      <C>     <C>          <C>


                        Balance at
                         March 31,                      Principal Payments Due During
                           1999       1999   2000    2001     2002     2003     2004    2005     2006     Remainder    Total
                           ----       ----   ----    ----     ----     ----     ----    ----     ----     ---------    -----
                                                                (dollars in thousands)
Long-Term Debt
Bank Credit Facility..          -        -       -        -       -        -        -        -         -         -           -
Capital Leases,
  Equipment and Other
  Notes Payable.......   $  2,106   $  216  $  281  $   306  $  334   $  282  $   139  $   153  $    169   $   226    $  2,106
Senior Notes..........    100,000        -       -        -       -        -        -        -   100,000         -     100,000
10% Convertible
  Subordinated Debentures     400        -     400        -       -        -        -        -         -         -         400
7% Convertible
  Subordinated Notes..     49,551        -       -        -       -        -        -   49,551         -         -      49,551
                         --------   ------  ------  -------  ------   ------  -------  -------  --------   -------    --------

         Total........   $152,057   $  216  $  681  $   306  $  334   $  282  $   139  $49,704  $100,169   $   226    $152,057
                         ========   ======  ======  =======  ======   ======  =======  =======  ========   =======    ========
</TABLE>


        In  addition,  as  disclosed  in the Risk Factor  subsection  above,  we
entered into a $25 million  revolving  credit  facility on July 22, 1999. We may
need to refinance all or a portion of our indebtedness on or before maturity. We
cannot assure you that we will be able to refinance any of our  indebtedness  on
commercially reasonable terms or at all.

We have no control over many factors in our ability to finance planned growth.

        We  require  substantial  funds to  complete  and  bring  to  commercial
viability all of our currently planned projects.  We also anticipate that future
business acquisitions will be financed not only through cash from operations and
the proceeds from previous debt offerings,  but also by future  borrowings under
bank credit  facilities,  offerings of Waste Systems stock as consideration  for
acquisitions,  or from the  proceeds of  additional  equity or debt  financings.
Therefore,  our ability to satisfy our future capital and operating requirements
for  planned  growth is  dependent  on a number of pending  or future  financing
activities, and we cannot assure you that any of these financing activities will
be successfully completed.

Our future success depends upon our ability to manage rapid growth in operations
and personnel.

        Our objective is continued  growth by expanding our services in selected
markets where we can be one of the largest and most profitable  fully-integrated
solid waste  management  companies.  Accordingly,  we may experience  periods of
substantial  rapid growth.  This growth could place a significant  strain on our
operational,   financial  and  other  resources.   Any  failure  to  expand  our
operational and financial  systems and controls in an efficient manner at a pace
consistent with our growth could have a material adverse effect on our business,
financial condition and results of operations.

        Our future success is also highly dependent upon our continuing  ability
to identify,  hire,  train and motivate a sufficient  number of highly qualified
personnel for our planned growth.  We face competition for recruiting  qualified
personnel  from our  competitors,  other  companies not in the waste  management
industry, government entities and other organizations. We cannot assure you that
we will be  successful  in  attracting  and  retaining  qualified  personnel  as
required for our present and future planned operations. Our inability to attract
and retain a  sufficient  number of  qualified  personnel  could have a material
negative impact on our business, financial condition and results of operations.

Our future success  depends upon our ability to identify,  acquire and integrate
acquisition targets.

        Our future  success is highly  dependent  upon our continued  ability to
successfully identify,  acquire and integrate additional solid waste collection,
recycling,  transfer  and  disposal  businesses.  As the solid waste  management
industry continues to consolidate, competition for acquisition candidates within
the industry  increases  and the  availability  of suitable  candidates on terms
favorable to us may decrease. We compete for acquisition candidates with larger,
more established companies that may have significantly greater capital resources
than we do, which can further decrease the availability of suitable  acquisition
candidates at prices affordable to us. We cannot assure you that we will be able
to  identify  suitable  acquisition   candidates,   to  successfully   negotiate
acquisitions on terms reasonable to us given our resources,  to obtain financing
for those targets on favorable terms, or to successfully  integrate any acquired
targets with our current operations.

        We  believe  that a  significant  factor in our  ability  to  consummate
acquisitions will be the attractiveness of our common stock as consideration for
potential  acquisition  targets.  This  attractiveness  may be,  in large  part,
dependent  upon the relative  market  price and capital  prospects of our equity
securities as compared to the equity securities of our competitors. Our stock is
traded on the Nasdaq Stock Market,  Inc.'s  SmallCap  Market,  while some of our
competitors' stock is traded on larger,  more recognized  markets.  In addition,
some of our competitors have a significantly  larger  capitalization than we do,
which  generally  results  in a more  liquid  market for their  publicly  traded
securities. If the market price of our common stock were to decline, we might be
unable to use our common stock as consideration for future acquisitions.

Loss of key  executives  could  affect our  ability to  achieve  Waste  Systems'
business objectives.

        We depend to a high degree on the services of Philip Strauss,  Chairman,
Chief Executive Officer and President,  and Robert Rivkin,  Director,  Executive
Vice  President_Acquisitions,  Chief Financial Officer, Secretary and Treasurer,
in planning to achieve our business objectives.  We have obtained $1 million key
executive insurance policies for each of Messrs. Strauss and Rivkin. However, if
we lost the  services of either of these  executives,  our  business,  financial
condition and results of operations could suffer material adverse effects.

Failed  acquisitions or projects may adversely  affect our results of operations
and financial condition.

        In accordance with generally accepted accounting  principles,  we record
some  expenditures and advances relating to acquisitions,  pending  acquisitions
and  landfill  projects  as  assets  on our  balance  sheet,  then  amortize  or
depreciate  these  capitalized  expenditures  and  advances  over time,  usually
matching an asset's depreciation against the revenues it generates. We also have
an accounting  policy to record as an expense in the current  accounting  period
all unamortized capital expenditures and advances relating to any operation that
is permanently shut down, any acquisition that will not be consummated,  and any
landfill project that is terminated.  As a result of these accounting practices,
we may  have  to  record  the  entire  capitalized  expenditure  of  any  failed
acquisition or terminated project as a charge against earnings in the accounting
period in which the failure or termination  occurs. A large,  unexpected expense
against typical  earnings could have a material adverse effect on our results of
operations, financial condition and our business.

Our business may not succeed due to the highly  competitive  nature of the solid
waste management industry.

        The  solid  waste   management   industry  is  highly   competitive  and
fragmented,  and solid waste management operations require substantial labor and
capital resources.  Competition exists for collection,  recycling,  transfer and
disposal service customers,  as well as for acquisition  targets. The markets we
compete  in or are  likely  to  compete  in  usually  are  served by one or more
national,  regional  or local  solid  waste  companies  who may have a respected
market  presence,  and who may have  greater  financial,  marketing or technical
resources  than those  available to us.  Competition  for waste  collection  and
disposal  business is based on price,  the  quality of service and  geographical
location.  From time to time, competitors may reduce the price of their services
in an effort to expand or  maintain  market  share or to win  competitively  bid
contracts.

        We  also  compete  with  counties,   municipalities   and  operators  of
alternative  disposal  facilities  that operate their own waste  collection  and
disposal facilities.  The availability of user fees, charges or tax revenues and
the availability of tax-exempt financing may provide a competitive  advantage to
public sector competitors in solid waste management.  Additionally,  alternative
disposal facilities such as recycling and incineration may reduce the demand for
the  landfill-based  solid waste disposal  services that we provide and on which
our  strategy  is  based.  We cannot  assure  you that we will be able to remain
competitive with our larger and better capitalized  private  competitors or with
tax-advantaged public sector operators.

Seasonal revenue fluctuations may negatively impact our operations.

        Our revenues and results of operations tend to vary seasonally.  We tend
to have lower  revenues in the winter months of the fourth and first quarters of
the calendar  year than in the warmer  months of the second and third  quarters.
The primary reasons for lower revenues in the winter months include:

     o  harsh winter weather conditions that interfere with collection and
        transportation activities;

     o  the volume of winter month waste in our operating regions is generally
        lower than that which occurs in warmer months; and

     o  the construction and demolition activities which generate landfill waste
        are primarily performed in the warmer seasons.

We believe that the  seasonality  of the revenue stream will not have a material
adverse effect on our business, financial condition and results of operations on
an annualized  basis.  Still,  higher warm weather revenues may not offset lower
cold  season  revenues,  and  seasonal  revenue  fluctuations  may  make it more
difficult to manage and finance our business successfully.

The  geographic  concentration  of our  operations  magnifies  the  risks to our
success.

        Waste  Systems has  established  solid waste  management  operations  in
Central Pennsylvania, Vermont, Upstate New York and central Massachusetts. Since
our current primary source of revenues will be concentrated in these  geographic
locations, our business,  financial condition and results of operations could be
materially  affected by  downturns  in these  local  economies,  severe  weather
conditions in these regions, and state and local regulations.  Factors that have
a greater  impact on our selected  markets than on other  regions of the country
are more  likely to have a negative  effect on our  business  than on our larger
regional and national competitors in the waste management industry.

        Industry  consolidation in our operating  regions has also increased the
competition  for  customers  who  generate  waste  streams.  This  may  make  it
increasingly  difficult to expand  operations  within our selected  markets.  We
cannot  assure you that we will be able to continue to increase  the local waste
streams to our operating  landfills or be able to expand our geographic  markets
to  mitigate  the  effects of adverse  economic  events  that may occur in these
regions. As a result of our geographic concentration, we are exposed to a higher
degree of risks than our geographically more diverse competitors.

Potential difficulties in acquiring landfill capacity could increase our costs.

        Our  operations  depend on our ability to expand the landfills we own or
operate and to develop or acquire new landfill  sites. We cannot assure you that
we will be successful in obtaining new landfill sites or expanding the permitted
capacity of our existing  landfills.  The process of obtaining  required permits
and  approvals  to open  new  landfills,  and to  operate  and  expand  existing
landfills has become increasingly difficult and expensive.  The process can take
several years and involves  hearings and compliance  with zoning,  environmental
and other  requirements.  We cannot  assure  you that we will be  successful  in
obtaining and maintaining  required  permits to open new landfills or expand the
existing landfills we own or operate.

        Even when  granted,  final  permits  to expand  landfills  are often not
approved until the remaining capacity of a landfill is very low. In the event we
exhaust our permitted  capacity at one of our  landfills,  our ability to expand
internally  will be  limited  and we  will be  required  to cap and  close  that
landfill.  Furthermore,  as the solid waste  management  industry  continues  to
consolidate,   there  will  be  greater   competition  for  potential   landfill
acquisitions.  As a result of insufficient landfill capacity, we could be forced
to transport waste greater distances to our own landfills that have capacity, or
to dispose of waste locally at landfills operated by our competitors.  In either
case, the additional  costs we would incur could have a material  adverse effect
on our business.

Failure to obtain landfill closure  performance  bonds and letters of credit may
adversely affect our business.

        We may be required to post a performance  bond, surety bond or letter of
credit to ensure proper closure and  post-closure  monitoring and maintenance at
some of our landfills and transfer  stations.  Our failure to obtain performance
bonds,  surety bonds or letters of credit in sufficient amounts or at acceptable
rates may have a material  adverse effect on our business,  financial  condition
and results of operations.

Estimated  accruals for landfill closure and post-closure costs may not meet our
actual financial obligations.

        The closure and  post-closure  costs of our existing  landfills  and any
landfill  we may own or  operate  in the  future  represent  material  financial
obligations.  To meet these future  obligations,  we estimate and accrue closure
and  post-closure  costs based on  engineering  estimates of landfill  usage and
remaining  landfill  capacity.  We cannot  assure  you that the  amount of funds
estimated and accrued for landfill closure and post-closure costs will be enough
to  meet  these  future  financial  obligations.   Any  failure  to  meet  these
obligations when they become due, or any use of significant funds to cover a gap
between  such  accruals  and actual  landfill  closure  and  post-closure  costs
incurred,  may  have  a  material  adverse  effect  on our  business,  financial
condition and results of operations.

Environmental and other government  regulations  impose costs and uncertainty on
our operations.

        We and our customers operate in a highly regulated environment,  and our
landfill  projects in particular  usually will require federal,  state and local
government  permits and environmental  approvals.  Maintaining  awareness of and
attempting to comply with applicable  environmental  legislation and regulations
require substantial expenditures of our personnel and financial resources. These
efforts,  however,  do not  guarantee  that we will  meet all of the  applicable
regulatory criteria necessary to obtain required permits and approvals.

        Government  regulators  generally have broad discretion to deny, revoke,
or modify regulatory permits or approvals under a wide variety of circumstances.
In addition,  government  regulators may adopt new environmental  legislation or
regulations or amend existing legislation, and may interpret or enforce existing
legislation  in new  ways.  All of these  circumstances  may  require  us or our
customers to obtain additional permits or approvals.

        Any delay in obtaining  required  regulatory  permits or  approvals  may
delay our ability to obtain project  financing,  thereby  increasing our need to
invest working  capital in projects before  obtaining more permanent  financing.
These  delays may also reduce our project  returns by  deferring  the receipt of
project  revenues to a later  project  completion  date.  If we are  required to
cancel any planned project because we were unable to obtain required  permits or
as a result of any other regulatory  impediments,  we may lose any investment we
have made in the project up to that point. The cancellation,  or any substantial
delay in completion,  of any project may have a significant  negative  effect on
our financial condition and results of operations.

We are exposed to potential  liability for  environmental  damage and regulatory
noncompliance.

        We are  engaged  in the  collection,  transfer  and  disposal  of  waste
described as  non-hazardous,  and we believe  that we are  currently in material
compliance with all applicable  environmental laws. Despite these circumstances,
if harmful  substances escape into the environment and cause damages or injuries
as a result of our operating activities, we are exposed to the risk that we will
be held liable for any damages and injuries,  as well as for  significant  fines
for regulatory noncompliance.

Our environmental liability insurance may not cover all risks of loss.

        We  maintain  environmental   impairment  liability  insurance  covering
particular claims for the sudden or gradual onset of environmental damage to the
extent  of  $5  million  per  landfill.  If  we  were  to  incur  liability  for
environmental  damage in excess of our insurance limits, our financial condition
could be adversely  affected.  We also carry a comprehensive  general  liability
insurance policy,  which management  considers  adequate at this time to protect
our assets and operations from other risks.

Addressing  local community  concerns about our operations may adversely  affect
our business.

        Members  of the public in the  communities  where we do  business  could
raise concerns with government  regulators and others about the effects on their
communities  of our  existing or planned  operations  and,  in some  areas,  the
proposed development of solid waste facilities.  These concerns cannot always be
anticipated,  and our attempts to address these concerns may result in unforseen
delays,  costs and litigation that could adversely affect our ability to achieve
our business objectives.

Year 2000 problems could have an adverse impact on our business.

        We   utilize   and   are   dependent   upon   general   accounting   and
industry-specific  customer  information  and  billing  software  to conduct our
business  that are likely to be  affected  by the date  change in the year 2000.
This  purchased  software is run on in-house  computer  networks.  In  addition,
embedded  technology  that is contained in a substantial  number of our items of
hauling,  disposal  and  communications  equipment  may be  affected by the date
change in the year  2000.  We have  initiated  a review  and  assessment  of all
hardware,  software  and  related  technologies  to  determine  whether  it will
function  properly in the year 2000. We currently  believe that costs associated
with the  compliance  efforts will not have a significant  impact on our ongoing
results of  operations,  although we cannot assure you in this regard.  Computer
software and related  technologies  used by our  customers,  service  providers,
vendors  and  suppliers  are also  likely to be  affected  by the year 2000 date
change.  To date,  those vendors which have been  contacted  have indicated that
their hardware or software is or will be year 2000 compliant in time frames that
meet  our  requirements.   We  have  also  initiated   communications  with  our
significant  suppliers regarding the year 2000 issue.  However, we cannot assure
you that the  systems  of such  suppliers,  or of  customers,  will be year 2000
compliant.  Failure by us or any of the  parties  mentioned  above,  to properly
process  dates for the year 2000 and  thereafter  could result in  unanticipated
expenses and delays to us,  including delays in the payment by our customers for
services provided.


<PAGE>


                               RECENT DEVELOPMENTS

Senior Notes Offering.

        Senior  Notes  Offering  and Use of  Proceeds.  On  March  2,  1999,  we
completed a private  placement  of $100.0  million  principal  amount of 11 1/2%
Senior Notes due 2006 and warrants to purchase an aggregate of 1,500,000  shares
of common  stock at an exercise  price of $6.25 per share.  The net  proceeds to
Waste  Systems from the sale of the senior notes and warrants,  after  deducting
the  discount  to  the  initial  purchaser  and  related  issuance  costs,  were
approximately $97.3 million. We used a portion of the proceeds from the offering
to repay the $20.0 million of Waste  Systems's 13% short term notes due June 30,
1999. The $10.0 million  BankNorth Group, N.A. credit facility and approximately
$1.7  million  of  capital  leases and other  notes  payable  were paid with the
proceeds.  Also, we redeemed  approximately  $1.45 million  principal  amount of
Waste Systems' 10% convertible  subordinated  debentures due October 6, 2000 and
completed  several  acquisitions  as further  described  below. A portion of the
balance  of the  proceeds  has been used for  general  corporate  purposes.  The
remainder will be used for possible future acquisitions and/or working capital.

        In  connection  with the offering of the senior notes and  warrants,  we
entered into a registration  rights agreement with the initial  purchaser.  This
registration rights agreement requires us to exchange the senior notes for newly
issued  registered  11 1/2% Series B Senior Notes due 2006. We filed an exchange
offer registration  statement with the Securities and Exchange  Commission (File
No. 333-81341),  which was declared effective on July 13, 1999. Under the senior
notes registration  rights agreement,  if we fail to complete the exchange offer
by October 28, 1999,  we must  increase the annual  interest rate payable on the
originally  issued senior notes by 0.50% until the exchange  offer is completed.
We currently intend to complete the exchange offer on or about August 13, 1999.

        The  registration  rights  agreement  also  requires us to register  for
resale the senior notes held by our  affiliates or other  persons  ineligible to
participate  in the exchange offer under the  interpretations  of the Securities
and Exchange Commission of applicable federal securities rules. Under the senior
notes  registration  rights agreement,  if we fail to: (a) file the registration
statement  for the resale of those senior notes by August 27, 1999; or (b) cause
the  registration  statement  to be declared  effective  or prior to October 28,
1999; or (c) keep the  registration  statement  effective  during the prescribed
effective period;  then we must increase the annual interest rate payable on the
originally  issued  senior  notes by 0.50% until the  registration  statement is
filed  or  declared  or  made  effective,  as  applicable.  It  is  our  current
understanding   that  an  affiliate  of  Waste   Systems   holds  senior  notes.
Accordingly,  we  currently  intend to file  with the  Securities  and  Exchange
Commission  a shelf  registration  statement to register for resale those senior
notes and to cause it to be declared effective prior to the deadlines  described
above, and to keep it effective during the prescribed effective period.

        When we offered the senior notes,  we also offered  warrants to purchase
1,500,000  shares of common stock.  We also entered into a  registration  rights
agreement with the initial purchaser relating to registration of those warrants.
The warrants  registration  rights agreement  requires us to register for resale
those  warrants  and any common  stock that is  issuable  upon  exercise  of the
warrants.  Under the warrant  registration rights agreement,  if we fail to: (a)
file that registration statement on or prior to August 27, 1999; or (b) cause it
to be declared  effective by the Securities and Exchange  Commission on or prior
to October 28, 1999; or (c) keep the registration statement effective during the
prescribed  effective  period;  then we must  increase the annual  interest rate
payable on the senior notes by 0.50% until the  registration  statement is filed
or declared or made effective, as applicable.  Accordingly,  we currently intend
to file  with  the  Securities  and  Exchange  Commission  a shelf  registration
statement to register for resale the warrants and the common stock issuable upon
exercise of the warrants and to cause it to be declared  effective  prior to the
deadlines  described  above,  and to keep it  effective  during  the  prescribed
effective period.

        Summary of Terms of the  Warrants.  The  warrants are  exercisable  from
September 2, 1999,  through March 2, 2004.  The number of shares for which,  and
the  price  per  share at  which,  a warrant  is  exercisable,  are  subject  to
adjustment upon the occurrence of events specified in the warrant agreement.

        Summary of Terms of the Senior Notes. The senior notes mature on January
15,  2006,  and  accrue  interest  at the  rate of 11 1/2%  per  annum,  payable
semi-annually in arrears on July 15 and January 15 of each year, commencing July
15, 1999. The senior notes are guaranteed by all of our current subsidiaries.

        When the senior  notes were sold,  Waste  Systems  and its  subsidiaries
entered into a registration rights agreement with the initial purchaser in which
we agreed to effect an  exchange  offer for a new  series of Senior  Notes on or
before  October 28, 1999. On July 14, 1999, we began an exchange  offer in which
holders of  outstanding  senior notes will be entitled to exchange  senior notes
for a like principal amount of registered 11 1/2% Series B Senior Notes due 2006
that have  substantially  identical terms as the originally issued senior notes.
Any senior notes  initially  issued that remain  outstanding  and not  exchanged
after the  consummation of the exchange offer will be treated the same under the
indenture as the new senior notes issued in the senior notes exchange offer.

        In  accordance  with the senior notes  indenture,  we must  increase the
interest  rate payable on the senior notes to 13%, 14% and 15% per year if we do
not achieve an adjusted stockholders' equity of at least $40,000,000 on December
31,  1999,  June 30,  2000,  and  December  31,  2000,  respectively.  "Adjusted
stockholders'   equity"  means  our   stockholders'   equity  as  shown  on  our
consolidated  balance  sheets  filed  as part of our  regular  reports  with the
Securities  and Exchange  Commission,  less the amount of any  increase  therein
resulting  from  the  issuance  of  shares  of  common  stock  in  exchange  for
outstanding 7% convertible  subordinated notes, to the extent, if any, that such
issuance exceeds 2,343,646 shares of common stock in the aggregate.

        The senior notes and the subsidiary guarantees:

        o       are senior unsecured obligations;

        o      rank  equally in right of  payment  with all other  existing  and
               future  senior  unsecured  obligations  of Waste  Systems and the
               subsidiary  guarantors,  and  senior in right of  payment  to the
               holders of equity securities of Waste Systems; and

        o      are  effectively  subordinated  to all of our and our  subsidiary
               guarantor's secured debt, including amounts outstanding under our
               credit facility and capital lease  obligations,  to the extent of
               the value of the assets securing such loan.

        The senior notes are  guaranteed on a senior  unsecured  basis by all of
our wholly owned subsidiaries, which conduct substantially all of the operations
of our business.  The subsidiary guarantees are joint and several obligations of
the  subsidiary  guarantors.  All of our  subsidiary  guarantors  are considered
restricted subsidiaries under the indenture.  Subject to the requirements of the
indenture,  Waste  Systems  will be  permitted  to  designate  current or future
subsidiaries as unrestricted subsidiaries,  which will not be subject to many of
the  restrictive  covenants  in  the  indenture  applicable  to  the  subsidiary
guarantors.

        After March 2, 2003,  we may redeem the senior  notes at any time at the
redemption  price  fixed by the  indenture,  together  with  accrued  and unpaid
interest.  In  addition,  we may at any time  purchase  senior notes in the open
market or  otherwise  at any  price.  Any  senior  notes  that are  redeemed  or
purchased by us will be canceled and may not be reissued or resold.

        Upon the  occurrence  of an event  considered  a "change of  control" of
Waste  Systems,  holders of senior  notes will have the right to sell back to us
all Senior Notes at a price equal to 101% of their aggregate  principal  amount,
together with accrued and unpaid interest, if any, to the date of such sale.


        The senior  note  indenture  limits our  ability  and the ability of our
guarantor subsidiaries to:

        o       incur additional indebtedness;

        o       pay dividends on or redeem our capital stock;

        o       issue capital stock of our subsidiaries;

        o       make investments;

        o       create liens;

        o       issue guarantees;

        o       engage in transactions with affiliates;

        o       sell assets; and

        o       conduct certain mergers and consolidations.

Exchange of Common Stock for 7% Convertible Subordinated Notes due 2005.

        On March 31, 1999,  Waste Systems  completed a private exchange offer in
which we issued a total of  2,244,109  shares of common  stock in  exchange  for
$10,449,000  aggregate  principal  amount  of  the  outstanding  7%  Convertible
Subordinated  Notes due May 13, 2005 previously  issued in a private  placement.
Please  see the  section  of this  prospectus  entitled  "Material  Terms of the
Selling Stockholders'  Transaction" for a description of that exchange offer. To
conduct the private  exchange  offer,  we entered into exchange  agreements with
each of the participating note holders. In the exchange agreements, we agreed to
register for resale by the selling  stockholders  the 2,244,109 shares of common
stock issued in the private  exchange offer. We are satisfying this agreement by
filing with the Securities and Exchange Commission the registration statement of
which this prospectus forms a part.

Stock Repurchase.

        With the  proceeds  from the  private  offering of senior  notes,  Waste
Systems  repurchased 497,778 shares of its common stock from the Federal Deposit
Insurance  Corporation  for an aggregate  purchase price of  approximately  $2.8
million.

Acquisitions.

        From  January  1,  1999 to May 1,  1999,  Waste  Systems  completed  ten
acquisitions,  consisting of eight collection  operations,  one transfer station
and one  landfill.  The  aggregate  purchase  price for these  acquisitions  was
approximately  $42.1  million  which was paid in cash and by the  assumption  of
approximately  $3 million  of debt.  These  acquisitions  have  combined  annual
revenue of approximately $12.0 million.  The acquisitions have all been recorded
using the purchase method of accounting.

        On August 3, 1999,  we completed  the  acquisition  of the assets of C&J
Trucking,  Inc. and affiliates,  with collection  operations  throughout Eastern
Massachusetts  and Southern New Hampshire.  The acquired assets also include two
transfer stations located in Lynn, Massachusetts and Londonderry, New Hampshire,
which are initially expected to handle in excess of 1,000 tons of waste per day.
On  July  6,  1999,  we  acquired  Eastern  Trans-Waste  of  Maryland,  Inc.,  a
well-established  commercial and industrial  collection  operation servicing the
Baltimore, Maryland and Washington, D.C. region. Its operations include a 53,000
square foot transfer station located in Washington,  D.C., which is permitted to
operate twenty-four hours per day with no capacity restrictions.  As part of its
customer base,  Eastern  Trans-Waste serves the White House and numerous federal
agencies.  The total purchase price for these  acquisitions is approximately $70
million,  in cash and stock. The  consideration  paid to former  stockholders of
Eastern Trans-Waste of Maryland,  Inc. includes 2,678,620 shares of common stock
and  894  shares  of  newly   designated   Series  C  Preferred  Stock  that  is
automatically  convertible,  upon stockholder approval, into 1,576,292 shares of
common  stock,  subject  to  adjustment  in  the  event  of  a  stock  dividend,
subdivision  or  combination  of  Waste  Systems'  common  stock  or  a  capital
reorganization,  merger or  consolidation of Waste Systems or the sale of all or
substantially  all of Waste Systems'  assets.  The Series C Preferred  Stock has
substantially the same terms as the common stock,  other than: (1) a liquidation
preference  equal to $11,615  per share,  subject to  adjustment,  and (2) a per
share put right,  exercisable  in the event that  stockholder  approval  for the
Series C conversion is not obtained by October 30, 1999, equal to the sum of the
liquidation  preference amount and interest accrued thereon at 8% per annum from
July 2, 1999 per share. We intend to hold a special meeting of the  stockholders
before  October  30, 1999 to consider  and vote on  stockholder  approval of the
Series C conversion.

        The   acquisitions   are   expected  to  add   annualized   revenues  of
approximately  $30  million and will be recorded  using the  purchase  method of
accounting. As a result, we believe that we are poised to continue our growth in
these  areas and to enhance our  profitability  through  the  implementation  of
operating efficiencies.


New Revolving Credit Facility

        On July  22,  1999,  we  entered  into a $25  million  revolving  credit
facility with BankNorth Group, N.A. to fund acquisitions and for general working
capital purposes.  No credit has been drawn to date, but any debt incurred under
this credit facility is secured debt that is guaranteed by our subsidiaries. The
revolving credit  agreement has a term of three years,  provides for an interest
rate based on LIBOR,  and  includes  other terms and  conditions  customary  for
secured revolving credit facilities.

Private Placement of up to 2,857,143 shares of common stock

               On July 30, 1999,  we  completed an initial  closing of a private
placement  in which we  issued  571,429  shares of  common  stock for  aggregate
consideration  of $4 million,  and on August 2, 1999,  we completed a subsequent
closing of the private  placement in which we issued an  additional  one million
shares of common stock for aggregate additional consideration of $7 million. The
proceeds  from  the  private   placement  will  be  used  for  potential  future
acquisitions  and  general  working  capital  purposes.  We  anticipate  holding
additional  subsequent  closings under the private placement for the issuance of
up to an  additional  1,285,714  shares,  for a total of  2,857,143  shares at a
subscription  price of $7 per share,  resulting in gross total private placement
proceeds of $20 million.  The  subscription  agreements under which these shares
have been or may be sold obligate us to file a shelf registration  statement for
the resale of the shares. Accordingly, we intend to file with the Securities and
Exchange  Commission  by not later than  October 28,  1999 a shelf  registration
statement  for the  resale  of  these  shares,  and to cause  that  registration
statement to become effective by not later than January 26, 2000.

<PAGE>

             MATERIAL TERMS OF THE SELLING STOCKHOLDERS' TRANSACTION

        On May 13,  1998,  we  closed  on the  private  placement  sale of $60.0
million in aggregate  principal amount of 7% convertible  subordinated notes due
2005  pursuant to a  securities  purchase  agreement  among Waste  Systems,  the
selling stockholders and other note investors.

        On March 31,  1999,  we completed a private  exchange  offer in which we
exchanged  2,244,109 shares of common stock for $10,449,000  aggregate principal
amount of the 7% Convertible  Subordinated  Notes at an exchange price of $4.656
principal  amount of notes  retired for each share of common stock  issued.  The
exchange price was equal to the closing price of the common stock as reported by
NASDAQ  on that  date.  Assuming  a  conversion  price of  $10.00  per  share in
accordance  with the original terms of the notes,  the  $10,449,000 in aggregate
principal amount of the notes exchanged would have represented  1,044,900 shares
of common stock.  As a result of the  difference  between the  conversion  price
provided in the  original  terms of the notes of $10.00 per share and the actual
exchange price of $4.656 per share of common stock issued in the exchange offer,
we issued  1,199,209  shares of common  stock in excess of the shares that would
have been issued if the notes exchanged were instead converted into common stock
in  accordance  with their  original  terms.  We  recorded a non-cash  charge of
$5,583,717  attributable  to the issuance of these  additional  shares of common
stock. This non-cash charge has been offset on our balance sheet in consolidated
stockholders'  equity by the additional deemed proceeds from the issuance of the
shares.

        Pursuant to the  related  exchange  agreements  with each of the selling
stockholders,  Waste  Systems  agreed to  register  for  resale  by the  selling
stockholders  the shares of common stock issued to them in the private  exchange
offer.  We are  satisfying  the  obligation  by filing with the  Securities  and
Exchange Commission the registration  statement of which this prospectus forms a
part.


                              SELLING STOCKHOLDERS

        The following  table sets forth the number of shares of our common stock
beneficially  owned by each selling  stockholder as of June 30, 1999, the number
of shares each  selling  stockholder  is offering to sell,  the number of shares
which each selling  stockholder  will  beneficially  own upon completion of this
offering,  and  the  percentage  ownership  of  each  selling  stockholder  upon
completion of this offering.  The selling  stockholders have furnished to us the
information set forth below and this  information is accurate to the best of our
knowledge.
<TABLE>
  <S>                                 <C>          <C>              <C>                  <C>               <C>

                                       Beneficial Ownership                                Beneficial Ownership
                                       Prior to Offering(1)          Shares to             After Offering(1)(2)
                                        Shares      Percent            be Sold              Shares        Percent

   B-III Capital Partners, L.P. (3)   7,448,526       46.6%          1,220,098           6,228,428           39.0%

   Prudential Insurance Company       1,034,684        7.5%             87,150             947,534            6.9%
     of America (4)

   Mitchell Hutchins                  2,167,559       15.1%            435,749           1,731,810           12.1%
     Asset Management Inc. (5)

   John Hancock Advisers (6)          1,537,794       10.7%            501,112           1,036,682            7.2%
</TABLE>

- ---------------------------------------
(1)      Based on a total of 13,405,394 shares of common stock outstanding as of
         June 30,  1999.  In  computing  the  number of  shares of common  stock
         beneficially  owned by a person,  the following  shares are also deemed
         outstanding  and held for that person only:  (a) shares of common stock
         subject to  currently  exercisable  options and  warrants  held by that
         person; (b) shares of common stock subject to options and warrants held
         by that person that become exercisable within 65 days of June 30, 1999;
         (c)  shares of common  stock  issuable  upon  conversion  of  currently
         convertible  securities  held by that person;  and (d) shares of common
         stock issuable upon  conversion of securities  held by that person that
         could become  convertible within 60 days of June 30, 1999. For purposes
         of  computing  the  percentage  of  outstanding  shares of common stock
         beneficially  owned by such person, the shares described in clauses (a)
         through (d) above are deemed to be  outstanding  for such person  only,
         and are not deemed to be  outstanding  for  purposes of  computing  the
         ownership percentage of any other person.

(2)      Assumes the sale of all of the shares of common stock offered for
         resale in this prospectus.

(3)      Includes  4,879,104 shares of common stock currently  owned,  2,231,922
         shares   issuable  upon  conversion  at  any  time  of  7%  Convertible
         Subordinated  Notes at a  conversion  price of $10.00  per  share,  and
         337,500 shares issuable upon exercise of warrants on or after September
         2,  1999  at  an  exercise  price  of  $6.25  per  share.  DDJ  Capital
         Management,  LLC ("DDJ") serves as investment  manager of B-III Capital
         Partners,  L.P.  ("B-III");  and an  affiliate  of  DDJ is the  general
         partner of B-III.  Judy K.  Mencher  and David J.  Breazzano,  managing
         directors of DDJ, serve as directors of Waste Systems.

(4)      Includes 650,261 shares of common stock currently owned, 159,423 shares
         issuable  upon  conversion at any time of 7%  Convertible  Subordinated
         Notes at a  conversion  price of $10.00 per share,  and 225,000  shares
         issuable upon exercise of warrants on or after  September 2, 1999 at an
         exercise price of $6.25 per share.

(5)      Includes  1,220,444  shares of common stock  currently  owned,  797,115
         shares   issuable  upon  conversion  at  any  time  of  7%  Convertible
         Subordinated  Notes at a  conversion  price of $10.00  per  share,  and
         150,000 shares issuable upon exercise of warrants on or after September
         2, 1999 at an exercise price of $6.25 per share.

(6)      Includes 591,112 shares of common stock currently owned, 916,682 shares
         issuable  upon  conversion at any time of 7%  Convertible  Subordinated
         Notes at a  conversion  price of $10.00  per share,  and 30,000  shares
         issuable upon exercise of warrants on or after  September 2, 1999 at an
         exercise price of $6.25 per share.


                              PLAN OF DISTRIBUTION

         This prospectus  relates to the offer and sale from time to time by the
holders thereof of up to 2,244,109 shares of common stock.

Offer and Sale of Shares

         Any of the selling stockholders or their pledgees,  donees, transferees
or  other  successors  in  interest,  may  from  time  to  time,  in one or more
transactions, sell all or a portion of the shares in such transactions at prices
then  prevailing  or related to the then current  market price or at  negotiated
prices. The offering price of the shares from time to time will be determined by
the selling  stockholders and, at the time of such determination,  may be higher
or lower than the market price of the shares on the Nasdaq SmallCap Market.

         If the selling stockholders effect transactions by selling shares to or
through underwriters,  brokers, dealers or agents, these underwriters,  brokers,
dealers or agents may receive compensation in the form of discounts, concessions
or commissions from a selling  stockholder or from purchasers of shares for whom
they may act as agents,  and underwriters may sell shares to or through dealers,
and such dealers may receive compensation in the form of discounts,  concessions
or commissions from the underwriters  and/or commissions from the purchasers for
whom they may act as agents. The selling  stockholders and any brokers,  dealers
or agents that participate in the distribution of the shares may be deemed to be
underwriters,  and  any  profit  on the  sale  of the  shares  by  them  and any
discounts,  concessions or commissions  received by any  underwriters,  brokers,
dealers or agents may be deemed to be  underwriting  discounts  and  commissions
under the  Securities  Act.  Under  agreements  that may be entered  into by us,
underwriters, brokers, dealers and agents who participate in the distribution of
shares may be entitled  to  indemnification  by Waste  Systems  against  certain
liabilities,  including liabilities under the Securities Act, or to contribution
with respect to payments which such underwriters, brokers, dealers or agents may
be  required  to make in respect  thereof.  The shares may be sold  directly  or
through   broker-dealers  acting  as  principal  or  agent,  or  pursuant  to  a
distribution  by one or more  underwriters  on a firm  commitment or best-effort
basis.

         The selling  stockholders,  or their pledgees,  donees,  transferees or
other  successors in interest,  may offer and sell their shares in the following
manner:

       o  on the Nasdaq SmallCap Market or other exchanges on which the shares
          are listed at the time of sale;

       o  in the over-the-counter market or otherwise at prices and at terms
          then prevailing or at prices related to the then current market price;

       o  in underwritten offerings;

       o  in privately negotiated transactions;

       o  in a block trade in which the broker or dealer so engaged will attempt
          to sell the shares as agent, but may position and resell a portion of
          the block as principal to facilitate the transaction;

       o  a broker or dealer may purchase as principal and resell such shares
          for its account pursuant to this prospectus;

       o  an exchange distribution in accordance with the rules of the exchange;

       o  ordinary brokerage transactions and transactions in which the broker
          solicits purchasers; or

       o  through any combination of the above.


         The selling stockholders may accept and, together with any agent of the
selling  stockholders,  reject in whole or in part any proposed  purchase of the
shares  offered by this  prospectus.  We will not receive any proceeds  from the
offering or sale of shares by the selling stockholders.

Prospectus Supplement Regarding Sales

         To the extent  required,  we will set forth in a prospectus  supplement
accompanying this prospectus, or if, appropriate, in a post-effective amendment,
the  following  information:  (1) the amount of shares to be sold;  (2) purchase
prices;  (c) public  offering  prices;  (4) the names of any agents,  dealers or
underwriters;  and (5) any applicable commissions or discounts with respect to a
particular offer.

Compliance with State Securities Laws

         We  have  not  registered  or  qualified  the  shares  offered  by this
prospectus  under the laws of any  country,  other  than the United  States.  In
certain  states,  the selling  stockholders  may not offer or sell their  shares
unless (1) we have  registered or qualified  such shares for sale in such states
or (2) we have  complied  with  an  available  exemption  from  registration  or
qualification.  Also, in certain  states,  to comply with such state  securities
laws,  the selling  stockholders  can offer and sell their  shares only  through
registered or licensed brokers or dealers.

Rule 144

         The selling stockholders may also resell all or a portion of the shares
in open market  transactions in reliance upon Rule 144 under the Securities Act,
provided  the  selling  stockholder  meets  the  criteria  and  conforms  to the
requirements of such Rule 144.

Payment of Expenses

         We  will  pay   substantially  all  of  the  expenses  related  to  the
registration of the shares offered by this prospectus.  The selling stockholders
will pay any sales commissions or other seller's compensation applicable to such
transactions.


                                 USE OF PROCEEDS

         We will not  receive any cash  proceeds  from the sale of the shares of
common  stock.  We are  registering  the common  stock  offered  by the  selling
stockholders solely to satisfy our obligations under exchange agreements.


                                  LEGAL MATTERS

         The validity of the securities being offered hereby will be passed upon
by Goodwin, Procter & Hoar LLP, Boston, Massachusetts.


                                     EXPERTS

         The consolidated  financial  statements of Waste Systems as of December
31,  1998 and 1997,  and for each of the years in the  three-year  period  ended
December  31,  1998,  appearing  in Waste  Systems  Annual  Report  on Form 10-K
incorporated by reference in this prospectus and the  registration  statement of
which this  prospectus  is a part,  have been  audited by KPMG LLP,  independent
certified public accountants, and in reliance upon the authority of said firm as
experts in accounting and auditing.


                       WHERE YOU MAY FIND MORE INFORMATION

         We have filed a registration  statement on Form S-3 with the Securities
and Exchange  Commission covering the resale of the shares of common stock. This
prospectus,   which  is  part  of  the  registration  statement,  omits  certain
information  included in the  registration  statement.  Statements  made in this
prospectus as to the contents of any contract,  agreement or other  document are
not  necessarily  complete.  Since  this  prospectus  may  not  contain  all the
information  that you may find  important,  you  should  review the full text of
these  documents.  We have included copies of these documents as exhibits to our
registration statement.

         We  are  currently   subject  to  the  periodic   reporting  and  other
informational  requirements of the Securities  Exchange Act of 1934, as amended,
and,  in  accordance  with  its  rules,  we file  annual,  quarterly  and  other
information  with the  Securities and Exchange  Commission.  You can inspect and
copy at prescribed rates the reports and other information that we file with the
Securities and Exchange Commission at the public reference facilities maintained
by the Securities and Exchange  Commission at Room 1024,  Judiciary  Plaza,  450
Fifth Street, N.W., Washington,  D.C. 20549, and also at the regional offices of
the Securities and Exchange  Commission  located at 7 World Trade Center,  Suite
1300,  New York,  New York  10048 and the  Citicorp  Center at 500 West  Madison
Street, Suite 1400, Chicago, Illinois 60661-2511.  You may obtain information on
the operation of the public  reference  facilities by calling the Securities and
Exchange  Commission at 1-800-SEC-0330.  The Securities and Exchange  Commission
also maintains an internet web site at http://www.SEC.gov that contains reports,
proxy and  information  statements  and other  information.  You can also obtain
copies of these materials from us upon request.


                       DOCUMENTS INCORPORATED BY REFERENCE

         The following  documents and other materials,  which we have filed with
the Securities and Exchange Commission, are incorporated and specifically made a
part of this prospectus by reference:

         (1)      Annual Report on Form 10-K for the fiscal year ended  December
                  31,  1998,  as amended by the Report on Form  10-K/A  filed on
                  April 8, 1999, as further amended by the Report on Form 10-K/A
                  Amendment No. 2 filed on August 5, 1999;

         (2)      Quarterly  Report on Form 10-Q for the quarter ended March 31,
                  1999,  as amended by the Report on Form 10-Q/A filed on August
                  5, 1999;

         (3)       Proxy Statement dated April 30, 1999; and

         (4)      Current Report on Form 8-K filed on March 12, 1999 and Current
                  Report on Form 8-K  filed on March 25,  1999,  as  amended  by
                  Current Report on Form 8-K/A filed on May 24, 1999.

         In  addition,  all  documents  that we file  with  the  Securities  and
Exchange  Commission  pursuant  to  sections  13(a),  13(c),  14 or 15(d) of the
Securities Exchange Act of 1934 after the date of this prospectus will be deemed
to be  incorporated  by reference  into this  prospectus  and to be part of this
prospectus from the date of the filing of such documents with the Securities and
Exchange Commission. Any statement contained in this prospectus or in a document
incorporated  or deemed to be  incorporated by reference in this prospectus will
be deemed to be modified or  superseded  for  purposes of this  prospectus  if a
statement  contained  in this  prospectus  or in any  other  subsequently  filed
document  which  also is or is deemed to be  incorporated  by  reference  herein
modifies or supersedes that  statement.  Any statement so modified or superseded
will not be deemed, except as so modified or superseded, to constitute a part of
this prospectus.

         This  prospectus  incorporates  documents  by  reference  that  are not
presented in this prospectus or delivered  herewith.  Copies of these documents,
other than exhibits to these documents that are not specifically incorporated by
reference in this  prospectus,  are available  without  charge to each person to
whom a copy of this prospectus is delivered, upon the written or oral request of
that person.  Requests for any  information  should be directed to Waste Systems
International,  Inc., 420 Bedford Street,  Suite 300,  Lexington,  Massachusetts
02420 (telephone number (781) 862-3000), attention: Chief Financial Officer.


<PAGE>

                                      II-4

                                     PART II

                   INFORMATION NOT REQUIRED IN THE PROSPECTUS

Item 14.  Other Expenses of Issuance and Distribution.

         The  following  table sets forth an itemized  statement of all expenses
expected to be incurred in connection with the issuance and  distribution of the
securities being  registered (all of which are estimated,  other than the filing
fee of the Securities and Exchange Commission):

         Securities and Exchange Commission filing fee............    $   4,018
         Legal fees and expenses..................................       10,000
         Accounting fees and expenses.............................        2,500
         NASDAQ fees and expenses.................................        7,500
         Transfer Agent's fees and expenses.......................          500
         Blue sky fees and expenses...............................          500
         Miscellaneous............................................            0
                                                                      ---------
                                                                      $  25,018

Item 15.  Indemnification of Directors and Officers.

        Section  145  of the  Delaware  General  Corporation  Law  (the  "DGCL")
provides that a corporation may indemnify a director, officer, employee or agent
against expenses (including attorneys' fees), judgments,  fines and amounts paid
in  settlement  in respect of or in  successful  defense of any action,  suit or
proceeding if he acted in good faith and in a manner he  reasonably  believed to
be in or not opposed to the best interests of the corporation, and, with respect
to any criminal  action or  proceeding,  had no reasonable  cause to believe his
conduct was unlawful.

        We have obtained  directors' and officers'  insurance providing benefits
aggregating  $5  million.  In  addition,  Article X of our  Second  Amended  and
Restated Certificate of Incorporation (the "Charter") provides that directors or
officers of Waste Systems, or others serving as a director or officer of another
corporation at our request, shall be indemnified to the fullest extent permitted
by the DGCL. Article X further provides that the indemnification rights provided
by such  Article X shall not be deemed  exclusive  of any other  rights to which
those  indemnified  may  be  entitled  under  any  law,  agreement  or  vote  of
stockholders or disinterested directors or otherwise. Article VII of the Charter
further  provides  that no  director  shall be  personally  liable  to us or our
stockholders  for  monetary  damages  for any breach of  fiduciary  duty by such
person as a director, except to the extent that the elimination or limitation of
liability is not  permitted  under the DGCL as in effect when such  liability is
determined.  Any  amendment or repeal of Article VII by the  stockholders  or an
amendment to the DGCL shall not adversely  affect any right or protection  under
such  Article  existing at the time of such  amendment or repeal with respect to
any act or  omission  occurring  prior to such  amendment  or repeal of a person
serving as a director at the time of such amendment or repeal.

        Article V of our By-laws  provides that present and former directors and
officers of Waste  Systems  shall be  indemnified  by us to the  fullest  extent
authorized  by the DGCL,  as the same  exists or may in the future be amended to
provide  for broader  indemnification  rights,  against  any and all  reasonable
expenses or liability  incurred in connection  with any  threatened,  pending or
completed  legal  proceeding in which any such person is involved as a result of
serving  or having  served as a  director  or  officer  of Waste  Systems,  as a
director  or officer of any  subsidiary  of Waste  Systems,  or acting or having
acted in any capacity with any other entity at our written request or direction,
in each  case if such  person  acted in good  faith  and in a  manner  he or she
reasonably  believed to be in, or not opposed  to, the best  interests  of Waste
Systems,  and with respect to criminal actions or proceedings,  that such person
had no reasonable cause to believe his or her conduct was unlawful.  The By-laws
provide that any  indemnification  extended to an officer  pursuant to Article V
shall include the reimbursement of expenses by us prior to the final disposition
of the proceeding upon the receipt of an undertaking by such indemnified  person
to repay such payment if it is determined  that such  indemnified  person is not
entitled to such reimbursement.  The By-laws further provide that the previously
described  provisions  of Article V are deemed to be a  contract  between  Waste
Systems and each director and officer. In addition, the By-laws provide that the
provisions with respect to  indemnification  and payment of expenses incurred in
defending a covered  proceeding  shall not be  exclusive  of any right which any
person may have or hereafter acquire under any statute, provision of the Charter
or the By-laws,  agreement,  vote of the stockholders or disinterested directors
or otherwise.

        We have also entered into an  indemnification  agreement with one of our
directors,  William B. Philipbar.  The  indemnification  agreement  requires us,
among other things,  to indemnify Mr.  Philipbar to the fullest extent permitted
by law and advance to Mr. Philipbar all related expenses.  Under this agreement,
we must also  indemnify  and advance  all  expenses  incurred  by Mr.  Philipbar
seeking to enforce his rights under the indemnification agreement,  provided Mr.
Philipbar  prevails.  Although  the  form of  indemnification  agreement  offers
substantially the same scope of coverage afforded by law, it provides additional
assurance to Mr. Philipbar that  indemnification will be available because, as a
contract,  it  cannot be  modified  unilaterally  in the  future by the Board of
Directors or the  stockholders  to eliminate  the rights it provides.  It is the
position of the Commission  that  indemnification  of directors and officers for
liabilities  under the Securities Act is against public policy and unenforceable
pursuant to Section 14 of the Securities Act.


Item 16.  Exhibits and Financial Statement Schedules.

        The following is a complete list of exhibits  filed or  incorporated  by
reference as part of this prospectus.


Exhibit No.        Description

1.1   Form of Exchange Agreement between Waste Systems  International,  Inc. and
      each participating holder in the March 31, 1999 exchange of 7% Convertible
      Subordinated  Notes for an aggregate  of 2,249,109  shares of common stock
      (incorporated  by reference to Exhibit 4.5 to the  Company's  Registration
      Statement on Form S-4 File No. 333-81341).

5.1   Opinion of Goodwin, Procter & Hoar LLP as to the legality of the
      securities being registered.

12.1  Statements re: Computation of Ratios (incorporated by reference to Exhibit
      12.1  to the  Company's  Registration  Statement  on  Form  S-4  File  No.
      333-81341).

23.1 Consent of Goodwin, Procter & Hoar LLP (included in Exhibit 5.1).

23.2 Consent of KPMG LLP, Independent Accountants.

24.1 Powers of Attorney (included on page II-5 hereto).


Item 17.  Undertakings.

 (a) The undersigned registrant hereby undertakes:

  (1) To file, during any period in which offers or sales are being made, a
      post-effective amendment to this registration statement:

   (i) To include any prospectus required by Section 10(a)(3) of the Securities
       Act of 1933;


        (ii) To reflect in the  prospectus any facts or events arising after the
      effective  date  of  the  registration   statement  (or  the  most  recent
      post-effective amendment thereof) which, individually or in the aggregate,
      represent  a  fundamental  change  in the  information  set  forth  in the
      registration  statement.  Notwithstanding  the foregoing,  any increase or
      decrease in volume of  securities  offered (if the total  dollar  value of
      securities  offered  would not exceed that which was  registered)  and any
      deviation from the low or high and of the estimated maximum offering range
      may be  reflected  in the form of  prospectus  filed  with the  Commission
      pursuant  to Rule 424(b) if, in the  aggregate,  the changes in volume and
      price  represent no more than 20 percent  change in the maximum  aggregate
      offering price set forth in the "Calculation of Registration Fee" table in
      the effective registration statement; and

        (iii) To include any  material  information  with respect to the plan of
      distribution not previously disclosed in the registration statement or any
      material change to such information in the registration statement;

      (2)  That,  for  the  purpose  of  determining  any  liability  under  the
   Securities Act of 1933, each such post-effective amendment shall be deemed to
   be a new registration  statement  relating to the securities offered therein,
   and the  offering of such  securities  at that time shall be deemed to be the
   initial bona fide offering thereof; and

      (3) To remove from registration by means of a post-effective amendment any
   of the securities  being registered which remain unsold at the termination of
   the offering.

   (b) The registrant  hereby  undertakes  that, for purposes of determining any
liability  under the  Securities  Act of 1933,  each filing of the  registrant's
annual report pursuant to Section 13(a) or 15(d) of the Securities  Exchange Act
of 1934 that is incorporated by reference in the Registration Statement shall be
deemed to be a new  registration  statement  relating to the securities  offered
therein,  and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.

   (e) The undersigned  registrant  hereby  undertakes to deliver or cause to be
delivered with the prospectus,  to each person to whom the prospectus is sent or
given,  the latest annual  report to security  holders that is  incorporated  by
reference  in  the  prospectus  and  furnished   pursuant  to  and  meeting  the
requirements  of Rule 14a-3 or Rule 14c-3 under the  Securities  Exchange Act of
1934;  and,  where  interim  financial  information  required to be presented by
Article 3 of Regulation S-X is not set forth in the prospectus,  to deliver,  or
cause to be  delivered to each person to whom the  prospectus  is sent or given,
the latest  quarterly  report that is specifically  incorporated by reference in
the prospectus to provide such interim financial information.

   (h) Insofar as indemnification  for liabilities  arising under the Securities
Act of 1933 may be permitted to directors,  officers and controlling  persons of
the  registrant  pursuant  to  the  foregoing  provisions,   or  otherwise,  the
registrant  has been advised that in the opinion of the  Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore,  unenforceable. In the event that a claim for indemnification
against such  liabilities  (other than the payment by the registrant of expenses
incurred or paid by a director,  officer or controlling person of the registrant
in the  successful  defense of any action,  suit, or  proceeding) is asserted by
such director,  officer or controlling  person in connection with the securities
being registered,  the registrant will, unless in the opinion of its counsel the
matter  has  been  settled  by  controlling  precedent,  submit  to a  court  of
appropriate  jurisdiction  the question  whether such  indemnification  by it is
against  public  policy as expressed in the  Securities  Act of 1933 and will be
governed by the final adjudication of such issue.


<PAGE>


                                   SIGNATURES

   Pursuant to the  requirements  of  Securities  Act, the  registrant  has duly
caused  this  registration   statement  to  be  signed  on  its  behalf  by  the
undersigned, thereunto duly authorized in the Town of Lexington, Commonwealth of
Massachusetts, on this 5th day of August, 1999.

                   WASTE SYSTEMS INTERNATIONAL, INC.

                   By:      /s/     Robert Rivkin
                        Robert Rivkin
                   Executive Vice President_Acquisitions,
                   Chief Financial Officer, Secretary, Treasurer and
                   Director
                  (Principal Financial and Accounting Officer)


                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS,  that we, the undersigned  officers and
directors of Waste Systems International,  Inc. hereby constitute Robert Rivkin,
our true and  lawful  attorney  with full power to him to sign for us and in our
names in the  capacities  indicated  below,  the  registration  statement  filed
herewith  and  any and  all  amendments  to  said  registration  statement,  and
generally to do all such things in our names and in our  capacities  as officers
and  directors to enable Waste  Systems  International,  Inc. to comply with the
provisions of the Securities Act of 1933 and all  requirements of the Securities
and Exchange Commission,  hereby ratifying and confirming our signatures as they
may be signed by our said attorney,  to said registration  statement and any and
all amendments thereto.

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
registration  statement  has been signed below by the  following  persons in the
capacities and on the date indicated.

Date: August 5, 1999                 By: /s/ Philip Strauss
                                         --------------------
                                         Philip Strauss
                                         Chairman, Chief Executive Officer and
                                         President
                                        (Principal Executive Officer)

Date: August 5, 1999                 By:  /s/ Robert Rivkin
                                          --------------------
                                          Robert Rivkin
                                          Executive Vice President_Acquisitions,
                                          Chief Financial Officer, Secretary,
                                          Treasurer and Direct (Principal
                                          Financial and Accounting Officer)

Date: August 5, 1999                  By: /s/ Jay J. Matulich
                                          --------------------
                                          Jay J. Matulich_Director

Date: August 5, 1999                   By: /s/ David J. Breazzano
                                           ----------------------
                                           David J. Breazzano_Director

Date: August 5, 1999                   By: /s/ Charles Johnston
                                           ---------------------
                                           Charles Johnston_Director

Date: August 5, 1999                   By: /s/ Judy K. Mencher
                                           ---------------------
                                           Judy K. Mencher_Director

Date: August 5, 1999                   By: /s/ William B.Philipbar
                                           ------------------------
                                           William B. Philipbar_Director


<PAGE>

                                                                Exhibit 5.1







                                 August 4, 1999


Waste Systems International, Inc.
420 Bedford Street, Suite 300
Lexington, MA 02420


         Re:      Legality of Securities to be Registered under Registration
                  Statement on Form S-3.

Ladies and Gentlemen:

         This opinion is  delivered in our capacity as counsel to Waste  Systems
International,  Inc., a Delaware corporation (the "Company"), in connection with
the preparation and filing with the Securities and Exchange Commission under the
Securities  Act of 1933,  as amended (the  "Securities  Act") of a  registration
statement  on Form S-3 (the  "Registration  Statement")  relating  to  2,244,109
shares of the Company's  common stock, par value $.01 per share (the "Registered
Shares").

         As counsel for the Company, we have examined the Registration Statement
and the  prospectus  contained  therein,  and the Company's  Second  Amended and
Restated Certificate of Incorporation,  as amended, and By-laws, such records of
the  corporate  proceedings  of the Company as we have deemed to be material and
such other  certificates,  receipts,  records,  and other  documents  as we have
deemed necessary or appropriate for the purposes of this opinion.

         We  are  attorneys   admitted  to  practice  in  the   Commonwealth  of
Massachusetts.  We express no opinion  concerning the laws of any  jurisdictions
other than the laws of the  United  States of America  and the  Commonwealth  of
Massachusetts,  and also  express  no  opinion  with  respect to the blue sky or
securities laws of any state, including Massachusetts.

         Based on the  foregoing,  we are of the  opinion  that  the  Registered
Shares are duly authorized, validly issued, fully paid and non-assessable by the
Company under the Delaware General Corporation Law.

         The foregoing  assumes that all requisite steps will be taken to comply
with the requirements of the Securities Act and applicable requirements of state
laws regulating the offer and sale of securities.

         We hereby  consent  to being  named as  counsel  to the  Company in the
Registration Statement and to the inclusion of this opinion as an exhibit to the
Registration Statement.


                                               Very truly yours,

                                               /s/ Goodwin, Procter & Hoar LLP

                                               GOODWIN, PROCTER & HOAR  LLP





<PAGE>




                                                                   Exhibit 23.2

                                        CONSENT OF INDEPENDENT ACCOUNTANTS

         We consent to the use of our report  incorporated  herein by  reference
and to the reference to our firm under the heading "Experts" in the Prospectus.


                                                       /s/ KPMG LLP

                                                           KPMG LLP

Boston, Massachusetts
August 4, 1999



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