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Online Account Access

Welcome to ACWD's Online Account Access. Here you can access your account information and view your bill online. New to Online Account Access? Click here to register.
To login, enter your Account Number and Password in the fields below.
Welcome to Alameda County Water Districts Customer Self-Service (CSS) system. With CSS you can access account information, view your bill, make payments and place requests or inquiries.
To login, enter your Email Address and Password in the fields below.

Alameda County Water District

Contact Us

  1. Mailing Address:
    Alameda County Water District
    43885 S Grimmer Boulevard
    Fremont, CA 94538

    Business Hours: 
    8 a.m. to 5 p.m. 
    Monday - Friday (except holidays)
    Phone: 510-668-4200
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