Comprehensive Wastewater Master Plan
Since 1946, Central San has provided safe and reliable wastewater collection and treatment for residents in central Contra Costa County. Today we serve nearly half a million residents and over 3,000 businesses in 145 square miles. Our services include supplying recycled water for parks and golf courses, providing both commercial and residential recycled water pickup programs, operating a household hazardous waste collection facility and running a sophisticated water quality laboratory. Our core mission is to protect public health and the environment, and our customers can count on us for vital services 24 hours a day, every day.