Orange County Sanitation District | Home The Orange County Sanitation District (OC SAN) was established in 1998.  OC SAN’s service area covers approximately 480 square miles with a population of 2.6 million Orange County residents.  The District provides regional and local sewer collection and treatment and partners with other agencies on issues involving recycled water and groundwater recovery.

 

Contact Information   

  • Address: 10844 Ellis Avenue                   Fountain Valley, CA 92708
  • Year Formed: 1998

  • Phone: (714) 962 – 2411

  • Website: www.ocsan.org

  • Hours: Mon-Fri: 7:30 a.m.- 5:00 p.m.           

About OC SAN

District Boundary Map

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Google Maps

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District Sphere of Influence

OCSD's SOI