Oro Loma Sanitary District

Oro Loma Sanitary District was formed on August 7, 1911, and is one of the oldest sanitary agencies in Alameda County. The District encompasses 13 square miles, serving the communities of unincorporated Alameda County, including San Lorenzo, Ashland, Cherryland, Fairview, portions of Castro Valley, and designated areas of the Cities of Hayward and San Leandro. Oro Loma’s service area is located about 13 miles south of Oakland and 30 miles north of San Jose on the eastern shore of the San Francisco Bay.

Oro Loma serves approximately 47,103 customers within the District’s jurisdiction, comprised of: 45,910 residential (97.3%); 1,190 commercial and light industrial (2.69%), and 3 significant industrial users (0.01%). Treatment services are also provided to approximately 21,400 customers from Castro Valley and the Cities of San Leandro and Hayward. All together, the District services are provided to nearly 135,000 people.