San Diego Region - Tentative Orders

  • Notice of Written Comment Period for Tentative Order No. R9-2026-0044. On March 17, 2026, the California Regional Water Quality Control Board, San Diego Region’s Prosecution Team (Prosecution Team) issued an Offer to Settle Administrative Civil Liability (Tentative Order) to the City of Coronado (City) to settle administrative civil liability associated with two sanitary sewer spills from the City’s sanitary sewer system. The City’s failure to prevent the spills were in violation of the discharge prohibitions of State Water Resources Control Board (State Water Board) Water Quality Order No. 2022-0103-DWQ, Statewide Waste Discharge Requirements General Order for Sanitary Sewer Systems and San Diego Water Board Order No. R9-2007-0005, Waste Discharge Requirements for Sewage Collection Agencies in the San Diego Region. The first spill occurred on July 1, 2025, resulting in a discharge of 1,273 gallons of untreated sewage to San Diego Bay (Coronado Cays Spill). The second spill occurred on October 20, 2025, resulting in a discharge of 2,170 gallons of untreated sewage to the Pacific Ocean (North Beach Spill). On April 16, 2026, the City accepted the Prosecution Team’s offer and waived its right to a hearing. The Tentative Order and Notice of Opportunity to Comment, which contains instructions on how to submit written comments, are available at the links below. All written comments are due by 5:00 p.m. on Monday, May 18, 2026. Questions and comments should be directed to Christina Arias via email at Christina.Arias@waterboards.ca.gov, or by phone at 619-521-3361.

  • Notice of Written Comment Period for Tentative Order No. R9-2026-0012. On March 18, 2026, the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) released Tentative Order No. R9-2026-0012, Waste Discharge Requirements for CR Questhaven, LLC, Questhaven Tentative Map Project (Tentative Order) for public review and comment. The Tentative Order and Notice of Public Written Comment Period, 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 17, 2026. Questions should be directed to Alan Monji by phone at 619-521-3968, or by email at Alan.Monji@waterboards.ca.gov.

  • Notice of Written Comment Period for Tentative Order No. R9-2026-0032. On February 19, 2026, the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) issued an Offer to Settle Administrative Civil Liability (Tentative Order) to Sweetwater Authority to address a mandatory minimum penalty associated with two serious effluent violations of Order No. R9-2017-0020, NPDES No. CA0108952, Waste Discharge Requirements for the Sweetwater Authority Richard A. Reynolds Desalination Facility Discharge to the Lower Sweetwater River Basin. On March 11, 2026, Sweetwater Authority accepted the San Diego Water Board offer and waived its right to a hearing. The Tentative Order and Notice of Opportunity to Comment, which contains instructions on how to submit written comments, are available at the links below. All written comments are due by 5:00 p.m. on Monday, April 13, 2026. Questions and comments should be directed to Cailynn Smith via email at Cailynn.Smith@waterboards.ca.gov, or by phone at 619-521-3380.

  • Notice of Written Comment Period for Tentative Order No. R9-2026-0016. On January 13, 2026, the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) issued an Offer to Settle Administrative Civil Liability (Tentative Order) to Channelside Water Resources LP to address a mandatory minimum penalty associated with a serious effluent violation of Order No. R9-2019-0003, as amended by Orders No. R9-2020-0004 and No. R9-2023-0137, NPDES No. CA0109223, Waste Discharge Requirements for the Poseidon Resources (Channelside) LP Claude “Bud” Lewis Carlsbad Desalination Plant Discharge to the Pacific Ocean. On February 11, 2026, Channelside Water Resources LP accepted the San Diego Water Board offer and waived its right to a hearing. The Tentative Order and Notice of Opportunity to Comment, which contains instructions on how to submit written comments, are available at the links below. All written comments are due by 5:00 p.m. on Thursday, March 19, 2026. Questions and comments, including requests to review a signed copy of the Tentative Order, should be directed to Cailynn Smith via email at Cailynn.Smith@waterboards.ca.gov, or by phone at 619-521-3380.