Welcome to Mid-Peninsula Water District's online customer portal.

First time users: please have your 9 digit account number handy. When registering as a new user be sure to type your name as it appears on the bill using all CAPITAL letters

If you need assistance registering or logging in, please contact MPWD at 650-591-8941* or [email protected] 

* Monday - Friday, 8:00 am - 4:30 pm


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