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File #: 2025-4332    Version: 1 Name:
Type: Consent Status: Final
File created: 6/9/2025 In control: ADMINISTRATION COMMITTEE
On agenda: 7/9/2025 Final action:
Title: ENVIRONMENTAL REGULATORY REPORTS
Sponsors: Lan Wiborg
Attachments: 1. Agenda Report, 2. OC San Annual Biosolids Management Compliance Report CY2024, 3. OC San Annual Pretreatment Program Report FY 2024, 4. OC San Semi-Annual Pretreatment Program Report July - December 2024, 5. OC San Annual Greenhouse Gas Emissions Reports CY 2024, 6. OC San Annual Air Quality Emissions Reports CY 2024, 7. OC San Annual Marine Monitoring Report FY 2024
FROM: Robert Thompson, General Manager
Originator: Lan C. Wiborg, Director of Environmental Services

SUBJECT:

title
ENVIRONMENTAL REGULATORY REPORTS
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GENERAL MANAGER'S RECOMMENDATION

recommendation
RECOMMENDATION: Recommend to the Board of Directors to:

Receive and file the following environmental regulatory reports: Annual Biosolids Management Compliance Report CY 2024, Annual Pretreatment Program Report FY 2024 (July 2023-June 2024), Semi-Annual Pretreatment Program Report (July-December 2024), Annual Mandatory Reporting of Greenhouse Gas Emissions Report CY 2024, Annual Emissions Report CY 2024, and the Marine Monitoring Annual Report FY 2024 (July 2023-June 2024).
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BACKGROUND

The Orange County Sanitation District (OC San) is subject to environmental regulatory oversight by the EPA, RWQCB, CARB, and SCAQMD. These regulatory bodies require reporting, which is prepared by OC San's Environmental Services Department. These reports include:

1. Annual Biosolids Management Compliance Report required by OC San's NPDES permit for ocean discharge. Due February 19th of every year. Reporting based on calendar year.

2. Annual and Semi-Annual Pretreatment Program Reports required by OC San's NPDES permit. Due March 31st and October 31st of every year. Reporting based on fiscal year.

3. Annual Mandatory Reporting of Greenhouse Gas Emissions required by CARB. This report uses an online portal for report preparation and submission. Due April 10th of every year. Reporting based on calendar year.

4. Annual Emissions Report required by SCAQMD. Due March of every year (exact date varies). Reporting based on calendar year.

5. Annual Marine Monitoring Report required by OC San's NPDES ocean discharge permit. Due March 15th of each year. Reporting based on fiscal year.



RELEVANT STANDARDS

* Comply with environmental permit requirements
* Safe, beneficial reuse of Biosolids
* Meet or surpass sanitary sewer overflow regulations


ADDITIONAL INFORMA...

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