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Golden State Water Company's Regulatory Affairs Department oversees  regulatory issues with the California Public Utilities Commission (CPUC).

Specific questions regarding regulatory issues may be directed to: Questions regarding service or billing should be directed to

  • Rates and Tariffs
    View details of water and electric rates.
  • Advice Letters
    Advice Letter filings with the California Public Utilities Commission.
  • General Rate Case Information
    General information about Rate Case filings with the California Public Utilities Commission.
  • Service Lists
    GSWC shall maintain at least one advice letter service list, which shall include the postal and e-mail addresses, as appropriate.


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Our Customer Service Center can be reached at

Investor Relations can be reached at 877-INFOAWR (463-6297) /

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This page last updated on December 20, 2012
Copyright 1998-2012 American States Water Company. All rights reserved. Rev. 1.4


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