<PAGE> PAGE 1
000 B000000 07/31/94
000 C000000 0000878734
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 DREYFUS NEW YORK MUNICIPAL CASH MANAGEMENT
001 B000000 811-6395
001 C000000 2129226754
002 A000000 144 GLENN CURTISS BOULEVARD
002 B000000 UNIONDALE
002 C000000 NY
002 D010000 11556
002 D020000 0144
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
013 A000001 ERNST & YOUNG LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10019
018 000000 Y
019 A000000 Y
019 B000000 119
019 C000000 DREYFUSFAM
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 THE FIRST BOSTON CORPORATION
022 B000001 13-5659485
022 C000001 29026
022 D000001 14800
022 A000002 SMITH BARNEY INC.
022 B000002 13-1912900
022 C000002 33600
022 D000002 4000
022 A000003 PRUDENTIAL SECURITIES INCORPORATED
<PAGE> PAGE 2
022 B000003 22-2347336
022 C000003 13420
022 D000003 12400
022 A000004 J.P. MORGAN SECURITIES INC.
022 B000004 13-3224016
022 C000004 11900
022 D000004 13900
022 A000005 CITIBANK, N.A.
022 B000005 13-5266470
022 C000005 8200
022 D000005 15699
022 A000006 CHEMICAL SECURITIES, INC.
022 B000006 13-3379014
022 C000006 13061
022 D000006 9950
022 A000007 MORGAN STANLEY & CO. INCORPORATED
022 B000007 13-2655998
022 C000007 11000
022 D000007 11000
022 A000008 GOLDMAN, SACHS & CO.
022 B000008 13-5108880
022 C000008 14020
022 D000008 3000
022 A000009 BEAR, STEARNS & CO. INC.
022 B000009 13-3299429
022 C000009 0
022 D000009 12000
022 A000010 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000010 13-5674085
022 C000010 4200
022 D000010 3800
023 C000000 181451
023 D000000 100549
027 000000 Y
028 A010000 36998
028 A020000 6
028 A030000 0
028 A040000 39467
028 B010000 84201
028 B020000 22
028 B030000 0
028 B040000 82806
028 C010000 41325
028 C020000 28
028 C030000 0
028 C040000 53344
028 D010000 46749
028 D020000 38
028 D030000 0
028 D040000 55814
028 E010000 49064
<PAGE> PAGE 3
028 E020000 38
028 E030000 0
028 E040000 47085
028 F010000 53921
028 F020000 38
028 F030000 0
028 F040000 40377
028 G010000 312258
028 G020000 170
028 G030000 0
028 G040000 318893
028 H000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 100
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 40
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.200
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
<PAGE> PAGE 4
048 K010000 0
048 K020000 0.000
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 101.1
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 53
063 B000000 0.0
064 A000000 Y
064 B000000 N
071 A000000 0
071 B000000 0
071 C000000 0
071 D000000 0
072 A000000 12
072 B000000 3137
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 261
072 G000000 0
072 H000000 0
072 I000000 27
072 J000000 6
072 K000000 0
072 L000000 6
072 M000000 2
072 N000000 2
072 O000000 1
072 P000000 0
072 Q000000 0
072 R000000 2
072 S000000 14
072 T000000 40
072 U000000 5
072 V000000 2
072 W000000 2
<PAGE> PAGE 5
072 X000000 370
072 Y000000 68
072 Z000000 2835
072AA000000 0
072BB000000 4
072CC010000 0
072CC020000 0
072DD010000 2492
072DD020000 343
072EE000000 0
073 A010000 0.0221
073 A020000 0.0107
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 0
074 C000000 137574
074 D000000 0
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 717
074 M000000 4
074 N000000 138295
074 O000000 0
074 P000000 34
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 2182
074 S000000 0
074 T000000 136079
074 U010000 82758
074 U020000 53326
074 V010000 1.00
074 V020000 1.00
074 W000000 0.9995
074 X000000 559
074 Y000000 0
075 A000000 114473
075 B000000 0
076 000000 0.00
077 A000000 Y
077 B000000 Y
078 000000 N
080 A000000 NATIONAL UNION FIRE INSURANCE CO. OF PITTS,PA
<PAGE> PAGE 6
080 B000000 VIGILANT INSURANCE COMPANY
080 C000000 105000
081 A000000 Y
081 B000000 148
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
SIGNATURE MARIE E. CONNOLLY
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000878734
<NAME> DREYFUS NEW YORK MUNICIPAL CASH MANAGEMENT
<SERIES>
<NUMBER> 1
<NAME> CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUL-31-1994
<PERIOD-END> JUL-31-1994
<INVESTMENTS-AT-COST> 137574
<INVESTMENTS-AT-VALUE> 137574
<RECEIVABLES> 717
<ASSETS-OTHER> 4
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 138295
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2216
<TOTAL-LIABILITIES> 2216
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 136084
<SHARES-COMMON-STOCK> 82758
<SHARES-COMMON-PRIOR> 116528
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 82755
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 3137
<OTHER-INCOME> 0
<EXPENSES-NET> 302
<NET-INVESTMENT-INCOME> 2835
<REALIZED-GAINS-CURRENT> (4)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 2831
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2492
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 491337
<NUMBER-OF-SHARES-REDEEMED> 525319
<SHARES-REINVESTED> 212
<NET-CHANGE-IN-ASSETS> 19552
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 261
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 370
<AVERAGE-NET-ASSETS> 114473
<PER-SHARE-NAV-BEGIN> 1
<PER-SHARE-NII> .022
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .022
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1
<EXPENSE-RATIO> .002
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000878734
<NAME> DREYFUS NEW YORK MUNICIPAL CASH MANAGEMENT
<SERIES>
<NUMBER> 2
<NAME> CLASS B
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUL-31-1994
<PERIOD-END> JUL-31-1994
<INVESTMENTS-AT-COST> 137574
<INVESTMENTS-AT-VALUE> 137574
<RECEIVABLES> 717
<ASSETS-OTHER> 4
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 138295
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2216
<TOTAL-LIABILITIES> 2216
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 53326
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 53324
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 0
<EXPENSES-NET> 0
<NET-INVESTMENT-INCOME> 0
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 0
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 343
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 92811
<NUMBER-OF-SHARES-REDEEMED> 39562
<SHARES-REINVESTED> 77
<NET-CHANGE-IN-ASSETS> 0
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 0
<AVERAGE-NET-ASSETS> 30317
<PER-SHARE-NAV-BEGIN> 1
<PER-SHARE-NII> .011
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .011
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1
<EXPENSE-RATIO> .005
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
