<SEC-DOCUMENT>0001104659-23-043203-index.html : 20230407
<SEC-HEADER>0001104659-23-043203.hdr.sgml : 20230407
<ACCEPTANCE-DATETIME>20230407172512
ACCESSION NUMBER:		0001104659-23-043203
CONFORMED SUBMISSION TYPE:	PRE 14A
PUBLIC DOCUMENT COUNT:		63
FILED AS OF DATE:		20230407
DATE AS OF CHANGE:		20230407

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:		PRE 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13883
		FILM NUMBER:		23809287

	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>PRE 14A
<SEQUENCE>1
<FILENAME>tm2224926-4_pre14a.htm
<DESCRIPTION>FORM PRE 14A
<TEXT>
Document 1 - file: tm2224926-4_pre14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>cwt-20221231.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 2 - file: cwt-20221231.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>3
<FILENAME>cwt-20221231_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
<TEXT>
Document 3 - file: cwt-20221231_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>cwt-20221231_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
Document 4 - file: cwt-20221231_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>cwt-20221231_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
Document 5 - file: cwt-20221231_pre.xml

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

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

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

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>bc_officers-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: bc_officers-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>bc_women-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: bc_women-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>ic_arrowline-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: ic_arrowline-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>ic_chair-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: ic_chair-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>ic_chair-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: ic_chair-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>ic_cybersecurity-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: ic_cybersecurity-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>ic_date-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: ic_date-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>ic_financial-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: ic_financial-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>ic_health-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: ic_health-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>ic_human-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: ic_human-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>ic_industry-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: ic_industry-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>ic_location-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: ic_location-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>ic_member-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: ic_member-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>ic_member-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: ic_member-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>ic_public-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: ic_public-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>ic_sustainability-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: ic_sustainability-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>ic_time-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: ic_time-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>ic_votebyinternet-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: ic_votebyinternet-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>ic_votebymail-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: ic_votebymail-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>ic_votebyphone7416-pn.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: ic_votebyphone7416-pn.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>ic_whatwedont-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 30 - file: ic_whatwedont-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>ic_whatwedont-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 31 - file: ic_whatwedont-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>32
<FILENAME>ic_whatwedo-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 32 - file: ic_whatwedo-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>33
<FILENAME>pc_ceoneo-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 33 - file: pc_ceoneo-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>34
<FILENAME>pc_director-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 34 - file: pc_director-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>35
<FILENAME>pc_divers-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 35 - file: pc_divers-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>36
<FILENAME>pc_esg-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 36 - file: pc_esg-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>37
<FILENAME>pc_kropelnicki-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 37 - file: pc_kropelnicki-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>38
<FILENAME>ph_carolmpottenger-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 38 - file: ph_carolmpottenger-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>39
<FILENAME>ph_gregoryealiff-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 39 - file: ph_gregoryealiff-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>40
<FILENAME>ph_lesterasnow-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 40 - file: ph_lesterasnow-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>41
<FILENAME>ph_maldonado-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 41 - file: ph_maldonado-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>42
<FILENAME>ph_martinakropelnicki-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 42 - file: ph_martinakropelnicki-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>43
<FILENAME>ph_patriciakwagner-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 43 - file: ph_patriciakwagner-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>44
<FILENAME>ph_peternelson-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 44 - file: ph_peternelson-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>45
<FILENAME>ph_river-4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 45 - file: ph_river-4clr.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>46
<FILENAME>ph_scottlmorris-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 46 - file: ph_scottlmorris-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>47
<FILENAME>ph_shellymesque-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 47 - file: ph_shellymesque-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>48
<FILENAME>ph_thomasmkrummel-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 48 - file: ph_thomasmkrummel-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>49
<FILENAME>sg_michellermortensen-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 49 - file: sg_michellermortensen-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>50
<FILENAME>sg_petercnelson-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 50 - file: sg_petercnelson-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>51
<FILENAME>tbl_ethdiv-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 51 - file: tbl_ethdiv-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>52
<FILENAME>tbl_gendiv-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 52 - file: tbl_gendiv-pn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>53
<FILENAME>px_scan01-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 53 - file: px_scan01-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>54
<FILENAME>px_scan02-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 54 - file: px_scan02-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>55
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 55 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>56
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 56 - file: R2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>57
<FILENAME>tm2224926-4_pre14a_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 57 - file: tm2224926-4_pre14a_htm.html

Document 57 - RAW XML: tm2224926-4_pre14a_htm.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>58
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 58 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>59
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 59 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>60
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 60 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>61
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 61 - file: FilingSummary.html

Document 61 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>63
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 63 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>64
<FILENAME>0001104659-23-043203-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 64 - file: 0001104659-23-043203-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>