2 plants indexed.
OCSD WRP No 1 in Costa Mesa, California serves over 1.4 million people as a major wastewater treatment facility. It operates under the US Clean Water Act and EPA NPDES permitting framework.
OCSD WWTP No 2 in Costa Mesa, California, serves over 3.4 million people. It is a major wastewater treatment facility in Orange County, operating under the US Clean Water Act.