Announcements

• The Central Coast Water Board is accepting comments and plans to hold a public hearing concerning Tentative Order R3-2026-0057 for Monterey One Water’s Regional Treatment Plant and California American Water Company’s Monterey Peninsula Water Supply Project Desalination Plant in Monterey County. (Public Notice, Tentative Order R3-2026-0057). (7/31/2026)
• Notice of Public Hearing: Proposed Basin Plan Amendments to Establish Water Quality Objectives for Disinfection Byproducts and Disinfectant Residuals. Please see the Amendments Under Development webpage for more information. Aviso de Audiencia Pública: Enmiendas Propuestas al Plan de Cuenca que Establecen Objetivos de Calidad del Agua para Subproductos de Desinfección y Residuos de Desinfectante. Por favor, consulte la página web sobre las modificaciones en desarrollo para obtener más información. (7/3/2026)
• The Central Coast Water Board is accepting comments and plans to hold a public hearing concerning Tentative Order R3-2026-0018 for Granite Rock Company, Arthur R. Wilson Quarry in San Benito County (Public Notice, Tentative Order R3-2026-0018). (6/26/2026)
• City of Lompoc and Central Coast Water Board enforcement staff propose $6,000 settlement for effluent violations (see public notice under Current Enforcement Actions, Expedited Payment Program). (7/29/2026)
• City of San Luis Obispo and Central Coast Water Board enforcement staff propose $3,000 settlement for effluent violation (see public notice under Current Enforcement Actions, Expedited Payment Program). (7/23/26)
• The Central Coast Water Board is accepting input and comments on proposed Order R3-2021-0040-A1, which amends Order R3-2021-0040 (Ag Order 4.0). On June 18, 2026 there will be a board workshop to discuss the proposed Order. More information can be found at the Central Coast Water Board's Tentative Orders website. (5/26/26)