OCSAN SUB OFFICES

OC San offers a self-guided virtual tour that includes an in-depth description of our wastewater treatment process along with pictures and video visuals for a fully immersive experience for the viewer. In-person are also available to get a first-hand view of the treatment process. Tours are FREE and for all ages

The Orange County Sanitation District (OC San) is a public agency that     provides wastewater collection, treatment, and recycling for approximately   2.6 million people in central and northwest Orange County.

Plant No. 1, Fountain Valley

OCSAN Offices Environments

The Orange County Sanitation District (OC San) is a public agency that provides wastewater collection, treatment, and recycling for approximately 2.6 million people in central and northwest Orange County.

The Orange County Sanitation District (OC San) is a public agency that provides wastewater collection, treatment, and recycling for approximately 2.6 million people in central and northwest Orange County.

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