Delta Diablo

About Us

Delta Diablo (District) provides wastewater conveyance and treatment services for approximately 218,000 customers in the cities of Antioch and Pittsburg, and the unincorporated community of Bay Point. As part of our core mission to protect public health and the environment, the District treats approximately 13…

Adopted Five-Year Maximum Sewer Service Charge Rate Increases for Fiscal Years 2025/26-2029/30

The Delta Diablo Board of Directors held a public hearing on Thursday, June 26, 2025 to consider adoption of proposed Sewer Service Charges (SSCs) rate increases for wastewater utility services. After…

REMINDER – No Wipes in the Pipes

If your toilet paper supply dwindles over the coming weeks and you switch to wipes, please DO NOT FLUSH WIPES. They do not break down in water. They clump and can break the machines that protect the…

Career Opportunities

Delta Diablo is an equal opportunity employer committed to diversity in our hiring practices. Our employees enjoy a fast-paced work environment, competitive salaries and benefits, and advancement…

Delta Diablo Celebrates 40th Anniversary of its Wastewater Treatment Plant

On May 13, 2022, the District marked the 40-year anniversary of its Wastewater Treatment Plant (WWTP), which was officially opened during a ceremonial event on May 13, 1982 attended by congressional…