San Diego Region - Tentative Orders

Notice of Written Comment Period and Hearing for Tentative Order No. R9-2025-0010. On March 20, 2025, the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) released Tentative Order No. R9-2025-0010, Settlement Agreement and Stipulation for Entry of Administrative Liability in the Matter of City of San Diego, January 2023 Sanitary Sewer Overflow (Tentative Order) for public review and comment. The Tentative Order is a stipulated administrative civil liability Order to settle liability associated with a sanitary sewer system overflow that occurred from the City of San Diego’s sanitary sewer collection system on January 16, 2023. The overflow resulted in a discharge of approximately 9.8 million gallons of untreated sewage into north San Diego Bay and the San Diego River. To resolve the violations described in the Tentative Order without formal administrative proceedings, the San Diego Water Board’s Prosecution Team and the City of San Diego (Parties) reached a settlement and agreed to the imposition of an administrative civil liability in the amount of $11,419,608. The Notice of Public Hearing and Opportunity to Comment, which includes instructions on how to submit written comments, is available using the link below. All written comments are due by 5:00 p.m. on April 21, 2025. Questions and comments should be directed to Christina Arias @619-521-3361 or Christina.Arias@waterboards.ca.gov.

Notice of Written Comment Period for Tentative Order No. R9-2025-0053. On March 20, 2025, the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) released Tentative Order No. R9-2025-0053, Settlement Agreement and Stipulation for Entry of Administrative Liability in the Matter of City of San Diego, March 2023 Sanitary Sewer Overflow (Tentative Order) for public review and comment. The Tentative Order is a stipulated administrative civil liability Order to settle liability associated with a sanitary sewer system overflow that occurred from the City of San Diego’s sanitary sewer collection system on March 24, 2023. The overflow resulted in a discharge of 3,725 gallons of untreated sewage into Lake Hodges, a drinking water reservoir. To resolve the violations described in the Tentative Order without formal administrative proceedings, the San Diego Water Board’s Prosecution Team and the City of San Diego (Parties) reached a settlement and agreed to the imposition of an administrative civil liability in the amount of $35,045. The Notice of Written Comment Period, which includes instructions on how to submit written comments, is available using the link below. All written comments are due by 5:00 p.m. on April 21, 2025. Questions and comments should be directed to Christina Arias @619-521-3361 or Christina.Arias@waterboards.ca.gov.

Notice of Written Comment Period for Tentative Order No. R9-2025-0048. On March 18, 2025, the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) released Tentative Order No. R9-2025-0048, An Order Rescinding Order Nos. 86-41, 93-124, 94-23, and R9-2009-0051 Reclamation Requirements for California Department of Transportation, La Costa Hotel and Spa, Vista Irrigation District, and Western Municipal Water District - Murrieta Division (Tentative Order) for public review and comment. The Tentative Order and Notice of Opportunity to Comment which contains instructions on how to submit written comments, are available using the links below. All written comments are due by 5:00 p.m. on Friday, April 18, 2025. Questions and comments should be directed to Mr. Brandon Bushnell by phone at 619-521-8044, or via e-mail at brandon.bushnell@waterboards.ca.gov.
- Notice of Public Hearing and Written Comment Period
- Tentative Order No. R9-2025-0048

Settlement Offer R9-2024-0137. On October 25, 2024, the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) released Settlement Offer R9-2024-0137 to the City of San Diego to address mandatory minimum penalties associated with violations of Order No. R9-2017-0007, NPDES No. CA0107409, Waste Discharge Requirements for the City of San Diego E.W. Blom Point Loma Wastewater Treatment Plant Discharge to the Pacific Ocean through the Point Loma Ocean Outfall. On November 12, 2024, the City of San Diego accepted Settlement Offer Order No. R9-2024-0137 and waived its right to a hearing. Settlement Offer R9-2024-0137 and Notice of Opportunity to Comment, which contain instructions on how to submit comments, are available using the links below. All written comments are due by 5:00 p.m. on December 20, 2024

Notice of Written Comment Period for Tentative Order No. R9-2024-0004 The United States Environmental Protection Agency, Region 9 (USEPA) and California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) are jointly releasing for public review and comment Tentative Order No. R9-2024-0004 (NPDES Permit No. CA0107409), Waste Discharge Requirements and National Pollutant Discharge Elimination System Permit for the City of San Diego E.W. Blom Point Loma Wastewater Treatment Plant Discharge to the Pacific Ocean through the Point Loma Ocean Outfall (Tentative Order/Permit) and USEPA’s Tentative Decision Document (TDD) on the City of San Diego’s (City’s) request for a waiver from secondary treatment requirements pursuant to Clean Water Act section 301(h). All written comments are due by 5:00 p.m. on Monday, April 2, 2024. Questions and comments should be directed to Joann Lim @ 619-521-3362 or Joann.Lim@waterboards.ca.gov.