Great Oaks Water Company has been providing public water utility service to the Blossom Valley - Santa Teresa - Edenvale - Coyote Valley-Almaden Valley area of the City of San Jose since the early 1960's.  Our dedication to providing the highest quality water, best customer service and the lowest rates continues to this day.  With over 20,000 customers and a dedicated staff of 17 employees, Great Oaks is recognized as one of the most efficiently run utilities in the state.

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55 Gallons-Per-Person-Per-Day Use Restrictions Are Not Yet In Effect.


Customer Notices:

Great Oaks Water Company’s Message to our Customers and our Community about COVID-19

Policy on Discontinuance of Service for Nonpayment

Chlorinating Water In Great Oaks Service Area

2015 Urban Water Management Plan

To read the 2019 Consumer Confidence Report (CCR), please click here.

Great Oaks Water Company Standards Details

Great Oaks Water Company Material Specifications



Below are a few features from our Most Frequently Asked Questions list. We will be changing these from time to time, so be sure to check back with us once in a while.

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Account Status I mailed my payment last week.
Can I get my Account Status?
Dog chewing on a bill Truly, The Dog Ate My Bill!
Can I Automate My Water Bill Payments?
Hand calculating a bill I've Never Trusted Computers!
How Do You Calculate A Bill?

Please Note:
   Great Oaks Water Company is NOT responsible for any lost cash payments dropped off in the Night Drop.
   Thank you,
   Management


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