Due to the COVID-19 pandemic, our office is closed to the public.  To avoid late fees, we encourage all of our customers to use our online bill payment solutions or call the office 925-625-3798 to make payment arrangements.

Staff is busy transitioning the District to a new financial management software system with new bill payment options.  The new online payment and water consumption portal will launch August 17th with new features for our customers.  Until then, look here for bill payment options.  

About Us

History

Diablo Water District is an independent self-governing local public agency created on May 7, 1953, under the County Water District Law of California. The District is governed by an elected five-member Board of Directors.

Our Mission

The mission of Diablo Water District is to provide a safe, dependable and adequate supply of high quality potable water to meet the requirements of the residents and businesses in our service area.

The District strives to operate in an environmentally responsible manner following principles of good business and sound engineering to provide the best possible service at the lowest reasonable cost. We are committed to treating all customers and employees fairly.

Who We Serve

The District, with a staff of 16 full-time employees, obtains, treats and supplies water for about 42,000 people and the parks, schools and businesses throughout a 21-square-mile area consisting of Oakley, Cypress Corridor and Hotchkis Tract, as well as Summer Lakes, and portions of Bethel Island and Knightsen