N-Q 1 form287.htm FORM N-Q form287.htm - Generated by SEC Publisher for SEC Filing

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT
INVESTMENT COMPANY

Investment Company Act file number 811-6395

Dreyfus New York Municipal Cash Management
(Exact name of Registrant as specified in charter)

c/o The Dreyfus Corporation
200 Park Avenue
New York, New York 10166
(Address of principal executive offices) (Zip code)

Michael A. Rosenberg, Esq.
200 Park Avenue
New York, New York 10166
(Name and address of agent for service)

Registrant's telephone number, including area code: (212) 922-6000

Date of fiscal year end: 1/31
Date of reporting period: 4/30/10


FORM N-Q

Item 1. Schedule of Investments.


STATEMENT OF INVESTMENTS        
Dreyfus New York Municipal Cash Management        
 
April 30, 2010 (Unaudited)          
 
  Coupon   Maturity Principal  
Short-Term Investments--100.6% Rate (%)   Date Amount ($) Value ($)
New York--99.8%          
Albany,          
GO Notes   3.00 7/1/10 1,000,000 1,004,564
Albany County Airport Authority,          
Airport Revenue, Refunding          
(LOC; Bank of America)   0.36 5/7/10 7,560,000 a 7,560,000
Albany Industrial Development          
Agency, Civic Facility Revenue          
(Albany Medical Center          
Hospital Project) (LOC; Bank          
of America)   0.32 5/7/10 2,800,000 a 2,800,000
Albany Industrial Development          
Agency, Civic Facility Revenue          
(Albany Medical Center          
Hospital Project) (LOC; Key          
Bank)   0.39 5/7/10 5,000,000 a 5,000,000
Cattaraugus County Industrial          
Development Agency, Civic          
Facility Revenue (Young Men's          
Christian Association of          
Olean, N.Y. Project) (LOC; Key          
Bank)   0.49 5/7/10 3,305,000 a 3,305,000
Chappaqua Central School District,          
GO Notes, TAN   2.00 6/30/10 5,000,000 5,013,500
Chautauqua County Industrial          
Development Agency, Civic          
Facility Revenue (Gerry Homes          
Project) (LOC; HSBC Bank USA)   0.50 5/7/10 11,340,000 a 11,340,000
Chemung County Industrial          
Development Agency, IDR (MMARS          
2nd Program) (LOC; HSBC Bank          
USA)   0.50 5/7/10 835,000 a 835,000
Clinton County Industrial          
Development Agency, Civic          
Facility Revenue (Champlain          


Valley Physicians Hospital        
Medical Center Project)        
(Liquidity Facility; Key Bank) 0.39 5/7/10 7,700,000 a 7,700,000
Clinton County Industrial        
Development Agency, Civic        
Facility Revenue (Champlain        
Valley Physicians Hospital        
Medical Center Project) (LOC;        
Key Bank) 0.39 5/7/10 10,305,000 a 10,305,000
Columbia County Capital Resource        
Corporation, Civic Facility        
Revenue (The Columbia Memorial        
Hospital Project) (LOC; HSBC        
Bank USA) 0.30 5/7/10 6,945,000 a 6,945,000
Columbia County Industrial        
Development Agency, Civic        
Facility Revenue (The Columbia        
Memorial Hospital Project)        
(LOC; HSBC Bank USA) 0.30 5/7/10 5,570,000 a 5,570,000
Dutchess County Industrial        
Development Agency, Civic        
Facility Revenue (Anderson        
Foundation for Autism, Inc.        
Project) (LOC; M&T Bank) 0.35 5/7/10 8,325,000 a 8,325,000
Dutchess County Industrial        
Development Agency, Civic        
Facility Revenue (Anderson        
Foundation for Autism, Inc.        
Project) (LOC; M&T Bank) 0.35 5/7/10 9,445,000 a 9,445,000
Dutchess County Industrial        
Development Agency, Civic        
Facility Revenue (Arbor Ridge        
Brookmeade Inc.) (LOC; M&T        
Bank) 0.35 5/7/10 15,255,000 a 15,255,000
Dutchess County Industrial        
Development Agency, Civic        
Facility Revenue, Refunding        
(Lutheran Center at        
Poughkeepsie, Inc. Project)        
(LOC; Key Bank) 0.40 5/7/10 3,650,000 a 3,650,000
East Hampton Union Free School        
District, GO Notes, TAN 1.00 6/30/10 5,610,000 5,615,704
East Rochester Housing Authority,        


Housing Revenue (Park Ridge        
Nursing Home, Inc. Project)        
(LOC; JPMorgan Chase Bank) 0.31 5/7/10 5,000,000 a 5,000,000
Elmira City School District,        
GO Notes, BAN 1.50 6/30/10 5,745,000 5,753,057
Erie County Fiscal Stability        
Authority, GO Notes, BAN 1.25 7/30/10 6,165,000 6,175,313
Erie County Industrial Development        
Agency, Civic Facility Revenue        
(Heritage Center Project)        
(LOC; Key Bank) 0.54 5/7/10 1,625,000 a 1,625,000
Erie County Industrial Development        
Agency, Civic Facility Revenue        
(YMCA of Greater Buffalo        
Project) (LOC; HSBC Bank USA) 0.50 5/7/10 450,000 a 450,000
Erie County Industrial Development        
Agency, Civic Facility Revenue        
(YMCA of Greater Buffalo        
Project) (LOC; HSBC Bank USA) 0.50 5/7/10 3,365,000 a 3,365,000
Erie County Industrial Development        
Agency, IDR (Hydro-Air        
Components Inc. Project) (LOC;        
HSBC Bank USA) 0.42 5/7/10 2,900,000 a 2,900,000
Erie Tobacco Asset Securitization        
Corporation, Tobacco        
Settlement Asset-Backed Bonds        
(Prerefunded) 6.25 7/15/10 18,265,000 b 18,665,891
Franklinville Central School        
District, GO Notes, BAN 1.50 7/29/10 3,800,000 3,804,590
Herkimer County Industrial        
Development Agency, IDR (F.E.        
Hale Manufacturing Company        
Facility) (LOC; HSBC Bank USA) 0.50 5/7/10 1,800,000 a 1,800,000
Heuvelton Central School District,        
GO Notes, BAN 1.50 6/30/10 1,800,000 1,802,512
Lancaster Industrial Development        
Agency, IDR (Sealing Devices        
Inc. Project) (LOC; HSBC Bank        
USA) 0.42 5/7/10 2,255,000 a 2,255,000
Long Island Power Authority,        
CP (Long Island Lighting        
Company) (LOC; JPMorgan Chase        


Bank) 0.35 6/10/10 20,000,000 20,000,000
Long Island Power Authority,        
CP (Long Island Lighting        
Company) (LOC; State Street        
Bank and Trust Co.) 0.35 5/11/10 9,900,000 9,900,000
Long Island Power Authority,        
Electric System General        
Revenue (Insured; Assured        
Guaranty Municipal Corp. and        
Liquidity Facility; Dexia        
Credit Locale) 0.32 5/7/10 17,000,000 a 17,000,000
Long Island Power Authority,        
Electric System General        
Revenue (Insured; Assured        
Guaranty Municipal Corp. and        
Liquidity Facility; Dexia        
Credit Locale) 0.33 5/7/10 23,200,000 a 23,200,000
Long Island Power Authority,        
Electric System Subordinated        
Revenue (LOC: JPMorgan Chase        
Bank and Landesbank        
Baden-Wurttemberg) 0.30 5/7/10 15,000,000 a 15,000,000
Long Island Power Authority,        
Electric System Subordinated        
Revenue (LOC; Westdeutsche        
Landesbank) 0.24 5/1/10 12,600,000 a 12,600,000
Mamaroneck Village,        
GO Notes, BAN 1.00 8/18/10 3,514,000 3,520,756
Metropolitan Transportation        
Authority, Dedicated Tax Fund        
Revenue, Refunding (Insured;        
Assured Guaranty Municipal        
Corp. and Liquidity Facility;        
Dexia Credit Locale) 0.35 5/7/10 34,900,000 a 34,900,000
Metropolitan Transportation        
Authority, RAN 2.00 12/31/10 25,000,000 25,268,622
Metropolitan Transportation        
Authority, Transportation        
Revenue (LOC; Fortis Bank) 0.29 5/7/10 13,200,000 a 13,200,000
Metropolitan Transportation        
Authority, Transportation        
Revenue, Refunding (Insured;        
Assured Guaranty Municipal        


Corp. and Liquidity Facility;        
Dexia Credit Locale) 0.30 5/7/10 19,860,000 a 19,860,000
Metropolitan Transportation        
Authority, Transportation        
Revenue, Refunding (Insured;        
Assured Guaranty Municipal        
Corp. and Liquidity Facility;        
Westdeutsche Landesbank) 0.35 5/7/10 10,310,000 a 10,310,000
Monroe County Industrial        
Development Agency, Civic        
Facility Revenue (DePaul        
Properties, Inc. Project)        
(LOC; Key Bank) 0.39 5/7/10 2,815,000 a 2,815,000
Monroe County Industrial        
Development Agency, Civic        
Facility Revenue (YMCA of        
Greater Rochester Project)        
(LOC; M&T Bank) 0.35 5/7/10 2,280,000 a 2,280,000
Monroe County Industrial        
Development Agency, IDR        
(Chaney Enterprise) (LOC; M&T        
Bank) 0.50 5/7/10 2,100,000 a 2,100,000
Monroe County Industrial        
Development Agency, IDR        
(Genesee Metal Stampings Inc.        
Facility) (LOC; HSBC Bank USA) 0.50 5/7/10 450,000 a 450,000
Monroe County Industrial        
Development Agency, Revenue        
(HDF-RWC Project 1, LLC -        
Robert Weslayan College        
Project) (LOC; M&T Bank) 0.37 5/7/10 2,600,000 a 2,600,000
New York City,        
GO Notes 5.00 8/1/10 3,000,000 3,034,382
New York City,        
GO Notes (Liquidity Facility;        
Allied Irish Banks) 0.45 5/1/10 15,000,000 a 15,000,000
New York City,        
GO Notes (Liquidity Facility;        
Landesbank Hessen-Thuringen        
Girozentrale) 0.26 5/1/10 7,000,000 a 7,000,000
New York City,        
GO Notes (LOC; JPMorgan Chase        
Bank) 0.24 5/1/10 6,300,000 a 6,300,000


New York City Housing Development        
Corporation, MFHR 0.28 6/15/10 5,550,000 5,550,000
New York City Housing Development        
Corporation, MFHR 0.33 9/15/10 11,175,000 11,175,000
New York City Housing Development        
Corporation, MFHR (Liquidity        
Facility; Citibank NA) 0.33 5/7/10 10,000,000 a,c 10,000,000
New York City Housing Development        
Corporation, MFHR (Liquidity        
Facility; JPMorgan Chase Bank) 0.30 5/7/10 6,900,000 a 6,900,000
New York City Housing Development        
Corporation, MFMR (The Crest        
Project) (LOC; Landesbank        
Hessen-Thuringen Girozentrale) 0.31 5/7/10 8,000,000 a 8,000,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue (American        
Society for Technion Project)        
(LOC; Allied Irish Banks) 0.38 5/7/10 9,210,000 a 9,210,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue (Birch Wathen        
Lenox School Project) (LOC;        
Allied Irish Banks) 0.70 5/7/10 7,505,000 a 7,505,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue (Columbia        
Grammar and Preparatory School        
Project) (LOC; Allied Irish        
Banks) 0.70 5/7/10 5,115,000 a 5,115,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue (French        
Institute-Alliance Francaise        
de New York - Federation of        
French Alliances in the United        
States Project) (LOC; M&T Bank) 0.55 5/7/10 1,860,000 a 1,860,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue (Jewish        
Community Center on the Upper        
West Side, Inc. Project) (LOC;        
M&T Bank) 0.35 5/7/10 4,900,000 a 4,900,000


New York City Industrial        
Development Agency, Civic        
Facility Revenue (Sephardic        
Community Youth Center, Inc.        
Project) (LOC; M&T Bank) 0.35 5/7/10 3,100,000 a 3,100,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue        
(Spence-Chapin, Services to        
Families and Children Project)        
(LOC; Allied Irish Banks) 0.70 5/7/10 5,510,000 a 5,510,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue (The        
Allen-Stevenson School        
Project) (LOC; Allied Irish        
Banks) 0.70 5/7/10 2,960,000 a 2,960,000
New York City Industrial        
Development Agency, Civic        
Facility Revenue (Village        
Community School Project)        
(LOC; M&T Bank) 0.55 5/7/10 2,400,000 a 2,400,000
New York City Municipal Water        
Finance Authority, CP        
(Liquidity Facility:        
Bayerische Landesbank and        
Westdeutsche Landesbank) 0.42 5/7/10 7,400,000 7,400,000
New York City Municipal Water        
Finance Authority, Water and        
Sewer System Revenue        
(Prerefunded) 5.50 6/15/10 5,400,000 b 5,488,020
New York City Municipal Water        
Finance Authority, Water and        
Sewer System Revenue (Putters        
Program) (Liquidity Facility;        
JPMorgan Chase Bank) 0.30 5/7/10 2,095,000 a,c 2,095,000
New York City Municipal Water        
Finance Authority, Water and        
Sewer System Second General        
Resolution Revenue (Liquidity        
Facility; Fortis Bank) 0.23 5/1/10 10,000,000 a 10,000,000
New York City Transitional Finance        
Authority, Future Tax Secured        


Revenue (Liquidity Facility;        
Landesbank Hessen-Thuringen        
Girozentrale) 0.24 5/1/10 7,000,000 a 7,000,000
New York City Transitional Finance        
Authority, Revenue (New York        
City Recovery) (Liquidity        
Facility; Wells Fargo Bank) 0.24 5/1/10 4,190,000 a 4,190,000
New York Liberty Development        
Corporation, Multi-Modal        
Liberty Revenue (World Trade        
Center Project) 0.50 1/18/11 15,000,000 15,000,000
New York Local Government        
Assistance Corporation, GO        
Notes (LOC: Bayerische        
Landesbank and Westdeutsche        
Landesbank) 0.30 5/7/10 18,900,000 a 18,900,000
New York Local Government        
Assistance Corporation,        
Subordinate Lien Revenue,        
Refunding (Insured; Assured        
Guaranty Municipal Corp. and        
Liquidity Facility;        
Westdeutsche Landesbank) 0.37 5/7/10 14,350,000 a 14,350,000
New York State Dormitory        
Authority, Consolidated        
Service Contract Revenue,        
Refunding 1.50 7/1/10 10,200,000 10,218,910
New York State Dormitory        
Authority, Insured Revenue        
(The Culinary Institute of        
America) (LOC; TD Bank) 0.29 5/7/10 6,925,000 a 6,925,000
New York State Dormitory        
Authority, Revenue (Park Ridge        
Hospital, Inc.) (LOC; JPMorgan        
Chase Bank) 0.31 5/7/10 2,785,000 a 2,785,000
New York State Dormitory        
Authority, Revenue (Samaritan        
Medical Center) (LOC; Key Bank) 0.39 5/7/10 8,000,000 a 8,000,000
New York State Dormitory        
Authority, Revenue (The        
College of New Rochelle) (LOC;        
RBS Citizens NA) 0.38 5/7/10 4,000,000 a 4,000,000
New York State Dormitory        


Authority, State Personal        
Income Tax Revenue (Education)        
(Liquidity Facility; Citibank        
NA) 0.31 5/7/10 7,095,000 a,c 7,095,000
New York State Housing Finance        
Agency, Housing Revenue (350        
West 37th Street) (LOC;        
Wachovia Bank) 0.34 5/7/10 9,000,000 a 9,000,000
New York State Housing Finance        
Agency, Service Contract        
Revenue, Refunding (LOC; Bank        
of America) 0.29 5/7/10 4,200,000 a 4,200,000
New York State Urban Development        
Corporation, Service Contract        
Revenue, Refunding (Insured;        
Assured Guaranty Municipal        
Corp. and Liquidity Facility;        
JPMorgan Chase Bank) 0.31 5/7/10 5,000,000 a 5,000,000
Newburgh Industrial Development        
Agency, Civic Facility Revenue        
(Community Development        
Properties Dubois Street II,        
Inc. Project) (LOC; Key Bank) 0.40 5/7/10 3,200,000 a 3,200,000
Onondaga County Industrial        
Development Agency, IDR (ICM        
Controls Corporation Project)        
(LOC; M&T Bank) 0.45 5/7/10 2,250,000 a 2,250,000
Ontario County Industrial        
Development Agency, Civic        
Facility Revenue (Friends of        
the Finger Lakes Performing        
Arts Center, Inc. Civic        
Facility) (LOC; FHLB) 0.44 5/7/10 6,455,000 a 6,455,000
Ontario County Industrial        
Development Agency, IDR (Dixit        
Enterprises/Newtex Industries,        
Inc. Facility) (LOC; HSBC Bank        
USA) 0.50 5/7/10 2,540,000 a 2,540,000
Orange County Industrial        
Development Agency, Civic        
Facility Revenue (Saint Luke's        
Cornwall Hospital Project)        
(LOC; Key Bank) 0.40 5/7/10 3,800,000 a 3,800,000


Otsego County Industrial        
Development Agency, Civic        
Facility Revenue (Templeton        
Foundation Project) (LOC; Key        
Bank) 0.49 5/7/10 3,030,000 a 3,030,000
Port Authority of New York and New        
Jersey, CP (Liquidity        
Facility; Landesbank        
Hessen-Thuringen Girozentrale) 0.41 5/11/10 33,000,000 33,000,000
Port Authority of New York and New        
Jersey, Equipment Notes 0.36 5/7/10 10,500,000 a 10,500,000
Port Authority of New York and New        
Jersey, Special Obligation        
Revenue (Versatile Structure        
Obligations) (Liquidity        
Facility; Landesbank        
Hessen-Thuringen Girozentrale) 0.25 5/1/10 5,000,000 a 5,000,000
Putnam County Industrial        
Development Agency, Civic        
Facility Revenue (United        
Cerebral Palsy of Putnam and        
Southern Dutchess Project)        
(LOC; Commerce Bank NA) 0.29 5/7/10 3,595,000 a 3,595,000
Saint Lawrence County Industrial        
Development Agency, Civic        
Facility Revenue, Refunding        
(Claxton-Hepburn Medical        
Center Project) (LOC; Key Bank) 0.40 5/7/10 3,500,000 a 3,500,000
Schenectady Industrial Development        
Agency, Civic Facility Revenue        
(Union Graduate College        
Project) (LOC; M&T Bank) 0.35 5/7/10 5,535,000 a 5,535,000
Smithtown Central School District,        
GO Notes, TAN 1.00 6/25/10 10,865,000 10,874,312
South Jefferson Central School        
District, GO Notes, BAN 1.50 7/2/10 1,800,000 1,802,457
Syracuse Industrial Development        
Agency, Civic Facility Revenue        
(Community Development        
Properties-Larned Project)        
(LOC; M&T Bank) 0.37 5/7/10 2,410,000 a 2,410,000
Syracuse Industrial Development        
Agency, Civic Facility Revenue        


(Crouse Health Hospital, Inc.        
Project) (LOC; HSBC Bank USA) 0.31 5/7/10 2,730,000 a 2,730,000
Syracuse Industrial Development        
Agency, Housing Revenue        
(Masonic Lofts LLC Project)        
(LOC; Key Bank) 0.64 5/7/10 4,050,000 a 4,050,000
Three Village Central School        
District, GO Notes, TAN 1.00 6/30/10 7,935,000 7,942,287
Ulster County Industrial        
Development Agency, IDR (Selux        
Corporation Project) (LOC; M&T        
Bank) 0.45 5/7/10 1,205,000 a 1,205,000
Westchester County Health Care        
Corporation, CP (Liquidity        
Facility; JPMorgan Chase Bank        
and LOC; Westchester County) 0.40 5/10/10 11,520,000 11,520,000
Westchester County Industrial        
Development Agency, Civic        
Facility Revenue (The Masters        
School Civic Facility) (LOC;        
Allied Irish Banks) 0.70 5/7/10 15,305,000 a 15,305,000
Westchester County Industrial        
Development Agency, Civic        
Facility Revenue (The Rye YMCA        
Project) (LOC; Allied Irish        
Banks) 0.65 5/7/10 2,000,000 a 2,000,000
William Floyd Union Free School        
District of the        
Mastics-Moriches-Shirley, GO        
Notes, TAN 2.25 6/30/10 15,200,000 15,245,844
Yonkers Industrial Development        
Agency, MFHR (Main Street        
Lofts Yonkers LLC Project)        
(LOC; M&T Bank) 0.45 5/7/10 30,000,000 a 30,000,000
Yonkers Industrial Development        
Agency, Revenue (Merlots        
Program) (11-23 Saint Casimir        
Avenue, LP Project) (Liquidity        
Facility; Wachovia Bank and        
LOC; GNMA) 0.37 5/7/10 4,215,000 a,c 4,215,000
 
U.S. Related--.8%        


Puerto Rico Sales Tax Financing        
Corporation, Sales Tax Revenue        
(Liquidity Facility; Citibank        
NA) 0.34 5/7/10 7,000,000 a,c,d 7,000,000
 
 
Total Investments (cost $834,140,721)     100.6% 834,140,721
Liabilities, Less Cash and Receivables     (.6%) (5,106,831)
Net Assets     100.0% 829,033,890

a Variable rate demand note - rate shown is the interest rate in effect at April 30, 2010. Maturity date represents the
  next demand date, or the ultimate maturity date if earlier.
b These securities are prerefunded; the date shown represents the prerefunded date. Bonds which are prerefunded are
  collateralized by U.S. Government securities which are held in escrow and are used to pay principal and interest on the
  municipal issue and to retire the bonds in full at the earliest refunding date.
c Securities exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in
  transactions exempt from registration, normally to qualified institutional buyers. At April 30, 2010, these securities
  amounted to $30,405,000 or 3.7% of net assets.
d Purchased on a delayed delivery basis.

At April 30, 2010, the cost of investments for federal income tax purposes was substantially the same as the cost for financial reporting purposes.

Summary of Abbreviations    
ABAG Association of Bay Area Governments ACA American Capital Access
AGC ACE Guaranty Corporation AGIC Asset Guaranty Insurance Company
AMBAC American Municipal Bond Assurance Corporation ARRN Adjustable Rate Receipt Notes
BAN Bond Anticipation Notes BPA Bond Purchase Agreement
CIFG CDC Ixis Financial Guaranty COP Certificate of Participation
CP Commercial Paper EDR Economic Development Revenue
EIR Environmental Improvement Revenue FGIC Financial Guaranty Insurance Company
FHA Federal Housing Administration FHLB Federal Home Loan Bank
FHLMC Federal Home Loan Mortgage Corporation FNMA Federal National Mortgage Association
GAN Grant Anticipation Notes GIC Guaranteed Investment Contract
GNMA Government National Mortgage Association GO General Obligation
HR Hospital Revenue IDB Industrial Development Board
IDC Industrial Development Corporation IDR Industrial Development Revenue
LOC Letter of Credit LOR Limited Obligation Revenue


LR Lease Revenue MFHR Multi-Family Housing Revenue
MFMR Multi-Family Mortgage Revenue PCR Pollution Control Revenue
PILOT Payment in Lieu of Taxes RAC Revenue Anticipation Certificates
RAN Revenue Anticipation Notes RAW Revenue Anticipation Warrants
RRR Resources Recovery Revenue SAAN State Aid Anticipation Notes
SBPA Standby Bond Purchase Agreement SFHR Single Family Housing Revenue
SFMR Single Family Mortgage Revenue SONYMA State of New York Mortgage Agency
SWDR Solid Waste Disposal Revenue TAN Tax Anticipation Notes
TAW Tax Anticipation Warrants TRAN Tax and Revenue Anticipation Notes
XLCA XL Capital Assurance    


Various inputs are used in determining the value of the fund's investments relating to fair value measurements.

These inputs are summarized in the three broad levels listed below.

Level 1 - unadjusted quoted prices in active markets for identical investments.
Level 2 - other significant observable inputs (including quoted prices for similar investments, interest rates, prepayment speeds,
credit risk, etc.)
Level 3 - significant unobservable inputs (including fund's own assumptions in determining the fair value of investments).

The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with investing in those securities. For example, money market securities are valued using amortized cost, in accordance with rules under the Investment Company Act of 1940. Generally, amortized cost approximates the current fair value of a security, but since the value is not obtained from a unadjusted quoted price in an active market, such securities are reflected as Level 2.

The following is a summary of the inputs used as of April 30, 2010 in valuing the fund's investments:

Valuation Inputs Short-Term Investments ($)+
Level 1 - Unadjusted Quoted Prices -
Level 2 - Other Significant Observable Inputs 834,140,721
Level 3 - Significant Unobservable Inputs -
Total 834,140,721

+ See Statement of Investments for additional detailed categorizations.


The Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) is the exclusive reference of authoritative U.S. generally accepted accounting principles (“GAAP”) recognized by the FASB to be applied by nongovernmental entities. Rules and interpretive releases of the Securities and Exchange Commission (“SEC”) under authority of federal laws are also sources of authoritative GAAP for SEC registrants. The fund's financial statements are prepared in accordance with GAAP, which may require the use of management estimates and assumptions. Actual results could differ from those estimates.

It is the fund’s policy to maintain a continuous net asset value per share of $1.00; the fund has adopted certain investment, portfolio valuation and dividend and distribution policies to enable it to do so. There is no assurance, however, that the fund will be able to maintain a stable net asset value per share of $1.00.

Portfolio valuation: Investments in securities are valued at amortized cost in accordance with Rule 2a-7 of the Act, which has been determined by the Board of Trustees to represent the fair value of the fund’s investments.

Additional investment related disclosures are hereby incorporated by reference to the annual and semi-annual reports previously filed with the Securities and Exchange Commission on Form N-CSR.


Item 2. Controls and Procedures.

(a) The Registrant's principal executive and principal financial officers have concluded, based on their evaluation of the Registrant's disclosure controls and procedures as of a date within 90 days of the filing date of this report, that the Registrant's disclosure controls and procedures are reasonably designed to ensure that information required to be disclosed by the Registrant on Form N-Q is recorded, processed, summarized and reported within the required time periods and that information required to be disclosed by the Registrant in the reports that it files or submits on Form N-Q is accumulated and communicated to the Registrant's management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

(b) There were no changes to the Registrant's internal control over financial reporting that occurred during the Registrant's most recently ended fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Registrant's internal control over financial reporting.

Item 3. Exhibits.

(a) Certifications of principal executive and principal financial officers as required by Rule 30a-2(a) under the Investment Company Act of 1940.


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dreyfus New York Municipal Cash Management

By: /s/ Bradley J. Skapyak
  Bradley J. Skapyak
  President
 
Date: June 23, 2010

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this Report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

By: /s/ Bradley J. Skapyak
  Bradley J. Skapyak
  President
 
Date: June 23, 2010
 
By: /s/ James Windels
James Windels
  Treasurer
 
Date: June 23, 2010

EXHIBIT INDEX

(a) Certifications of principal executive and principal financial officers as required by Rule 30a-2(a) under the Investment Company Act of 1940. (EX-99.CERT)