San Diego Region - Tentative Orders

  • 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.