New Diablo Water District Customer Portal now available: online payment options, historical consumption and new features that will be launched soon to help customers manage their water use and bills.  

To pay via phone call: 866-279-7518

Due to the COVID-19 pandemic, our office is closed to the public.  Please use one of our online bill payment solutions or call the office 925-625-3798 to make payment arrangements.

Groundwater

Groundwater Pumping by District

The District owns and operates two production groundwater wells.  Groundwater accounts for 20% of the District's total water supply.

Why Does the District Use Groundwater?

Groundwater is a safe and affordable source of water supply, that allows the District to help keep water rates lower.

Who Monitors Groundwater Use?

In 2014, the State passed the Sustainable Groundwater Management Act, which required the establishment of Groundwater Sustainability Agencies to monitor and regulate groundwater extraction.