<SEC-DOCUMENT>0001104659-19-023488-index.html : 20190425
<SEC-HEADER>0001104659-19-023488.hdr.sgml : 20190425
<ACCEPTANCE-DATETIME>20190424193314
ACCESSION NUMBER:		0001104659-19-023488
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20190424
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190425
DATE AS OF CHANGE:		20190424

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALIFORNIA WATER SERVICE GROUP
		CENTRAL INDEX KEY:			0001035201
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		IRS NUMBER:				770448994
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13883
		FILM NUMBER:		19764994

	BUSINESS ADDRESS:	
		STREET 1:		1720 N FIRST ST
		STREET 2:		C/O CALIFORNIA WATER SERVICE CO
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95112
		BUSINESS PHONE:		4083678200

	MAIL ADDRESS:	
		STREET 1:		1720 FIRST ST
		STREET 2:		C/O CALIFORNIA WATER SERVICE CO
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95112
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a19-8848_18k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a19-8848_18k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a19-8848_1ex99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: a19-8848_1ex99d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g88481mmi001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g88481mmi001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g88481mmi002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g88481mmi002.jpg

</DOCUMENT>
</SEC-DOCUMENT>