    <SEC-DOCUMENT>0001140361-21-011608-index.html : 20210405
    <SEC-HEADER>0001140361-21-011608.hdr.sgml : 20210405
    <ACCEPTANCE-DATETIME>20210405163529
    ACCESSION NUMBER:		0001140361-21-011608
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20210405
    DATE AS OF CHANGE:		20210405

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AMERICAN STATES WATER CO
    		CENTRAL INDEX KEY:			0001056903
    		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
    		IRS NUMBER:				954676679
    		STATE OF INCORPORATION:			CA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14431
    		FILM NUMBER:		21805909

    	BUSINESS ADDRESS:
    		STREET 1:		630 E FOOTHILL BLVD
    		CITY:			SAN DIMAS
    		STATE:			CA
    		ZIP:			91773-9016
    		BUSINESS PHONE:		9093943600

    	MAIL ADDRESS:
    		STREET 1:		630 E FOOTHILL
    		CITY:			SAN DIMAS
    		STATE:			CA
    		ZIP:			91773-9016
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>nc10022307x2_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: nc10022307x2_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>nc10022307x2_pc01.jpg
    <TEXT>
    Document 2 - file: nc10022307x2_pc01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>nc10022307x2_pc02.jpg
    <TEXT>
    Document 3 - file: nc10022307x2_pc02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>