The Byron Sanitary District was formed in 1948 and became operational in 1958. It operates pursuant to the Sanitary District Act of 1923 (Health & Safety Code. Section 6400 et seq.).

East Bay Municipal Utility District (EBMUD) has a proud history of providing high-quality drinking water for 1.4 million customers in Alameda and Contra Costa counties. The District’s award-winning wastewater treatment protects San Francisco Bay and serves 685,000 customers.

The Rodeo Sanitary District (RSD) is an enterprise district, formed in 1939, that serves the town of Rodeo and the village of Tormey, about 8,679 residents and businesses in Western Contra Costa County. Our treatment plant in Rodeo collects and treats an average dry weather flow 550,000 gallons of wastewater per day.

West County Wastewater District (WCWD) serves approximately 34,000 residences and 2,450 commercial and industrial businesses with a total population of approximately 100,000.