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.
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 17 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.