We partner with our neighboring agencies to ensure that the water supply continues to meet our customers’ needs, together with the treatment plant and wells we manage.

Contra Costa Water District

The Contra Costa Water District delivers safe, clean water to approximately 500,000 people in central and eastern Contra Costa County in Northern California. Formed in 1936 to provide water for irrigation and industry, it is now one of the largest urban water districts in California and a leader in drinking-water treatment technology and source water protection. | Contra Costa website

Delta Diablo Sanitation District

Delta Diablo provides wastewater conveyance and treatment services for approximately 214,000 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, it treats approximately 13 million gallons of wastewater each day with a focus on exemplary regulatory compliance, innovative and sustainable approaches, and sound stewardship of the public’s resources and trust. | Delta Diablo website