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

ALL MPWD customers must register as a new customer to take advantage of our new, easier-to-use customer portal. Simply find your 9-digit account number from your new bill and register with your email address. If you do not have your new account number yet, or need assistance registering or logging in, please contact MPWD at 650-591-8941* or [email protected] 

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