UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) June 12, 2013

AMERICAN STATES WATER COMPANY

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (909) 394-3600

GOLDEN STATE WATER COMPANY

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (909) 394-3600

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01.       Other Events

On June 12, 2013, American States Water Company’s wholly-owned subsidiary, Golden State Water Company (“GSWC”), entered into an Asset Purchase Agreement (the “Agreement”) to purchase all of the operating assets from Rural Water Company (“Rural”) for the purpose of providing water utility services within Rural’s service area.  The consummation of the transaction contemplated by the Agreement is subject to customary conditions, including among other things, regulatory approval by the California Public Utilities Commission.  Rural serves approximately 940 customers in the City of Arroyo Grande in the county of San Luis Obispo, California, which is near GSWC’s other water systems in Coastal California.

This Form 8-K is furnished to, but not filed with, the Securities and Exchange Commission.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.