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2023 Biosolids Annual 503 Compliance Report

December 31, 2023
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2022 Biosolids Annual 503 Compliance Report

December 31, 2022
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2021 Biosolids Annual 503 Compliance Report

December 31, 2021
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2020 Biosolids Annual 503 Compliance Report

December 31, 2020
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2019 OCSD Annual Biosolids Compliance Report 503

June 1, 2019
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2018_OCSD_Annual_Biosolids_Compliance_Report_503

June 1, 2018
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2017 OCSD Annual Biosolids Compliance Report 503

June 1, 2017
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2016 OCSD Annual Biosolids Compliance Report for 40CFR503

June 1, 2016
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2015 OCSD Biosolids Annual 503 Compliance Report

June 1, 2015
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About OC San

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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(714) 962-2411
18480 Bandilier Circle,
Fountain Valley, CA 92708

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