<SEC-DOCUMENT>0000843781-23-000026-index.html : 20230922
<SEC-HEADER>0000843781-23-000026.hdr.sgml : 20230922
<ACCEPTANCE-DATETIME>20230922123545
ACCESSION NUMBER:		0000843781-23-000026
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20230731
FILED AS OF DATE:		20230922
DATE AS OF CHANGE:		20230922
EFFECTIVENESS DATE:		20230922

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS TREASURY SECURITIES CASH MANAGEMENT
		CENTRAL INDEX KEY:			0000843781
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0131

	FILING VALUES:
		FORM TYPE:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05718
		FILM NUMBER:		231270984

	BUSINESS ADDRESS:	
		STREET 1:		C/O BNY MELLON INVESTMENT ADVISER, INC.
		STREET 2:		240 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286
		BUSINESS PHONE:		2129226400

	MAIL ADDRESS:	
		STREET 1:		C/O BNY MELLON INVESTMENT ADVISER, INC.
		STREET 2:		240 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS TREASURY PRIME CASH MANAGEMENT
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000843781
<SERIES-ID>S000000113
<SERIES-NAME>DREYFUS TREASURY SECURITIES CASH MANAGEMENT
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000255
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DIRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000256
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DVRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000257
<CLASS-CONTRACT-NAME>Administrative Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DARXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000000258
<CLASS-CONTRACT-NAME>Participant Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DPRXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000223305
<CLASS-CONTRACT-NAME>Service Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DTHXX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000223306
<CLASS-CONTRACT-NAME>Wealth Shares
<CLASS-CONTRACT-TICKER-SYMBOL>DTJXX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>lp1-761.htm
<DESCRIPTION>SEMI-ANNUAL REPORT
<TEXT>
Document 1 - file: lp1-761.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>exhibit-302_761.htm
<DESCRIPTION>CERTIFICATION REQUIRED BY RULE 30A-2
<TEXT>
Document 2 - file: exhibit-302_761.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>exhibit-906_761.htm
<DESCRIPTION>CERTIFICATION REQUIRED BY SECTION 906
<TEXT>
Document 3 - file: exhibit-906_761.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>img_c8672dd498df4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: img_c8672dd498df4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>img_825c7cf157054.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: img_825c7cf157054.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>img_097cd7eaca884.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: img_097cd7eaca884.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>img_bda769561a884.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: img_bda769561a884.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>img_3869a8e044444.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: img_3869a8e044444.jpg

</DOCUMENT>
</SEC-DOCUMENT>