Public Notices

Santa Ana Region Current Public Information

• Notice of Public Hearing for Amendment to Waste Discharge Requirements Order R8-2018-0074, as amended by Order R8-2023-0040 for full scale Biobarrier replenishment at the former Lockheed Martin Beaumont Site 2, Laborde Canyon, Beaumont, Riverside County Tentative Order R8-2026-0041
  
  
• Case Closure Notice of Opportunity for Public Comment – Former Los Angeles Times – 1375 West Sunflower Avenue in Costa Mesa
  • Case Closure Summary – Former Los Angeles Times – 1375 West Sunflower Avenue in Costa Mesa
  • Draft Closure Directive – Former Los Angeles Times – 1375 West Sunflower Avenue in Costa Mesa
    
    
• Notice of Public Hearing for Waste Discharge Requirements Amendment for Frank R. Bowerman Landfill, Orange County, Tentative Order R8-2026-0046
  
  
• UST Case Closure – Notice of Opportunity for Public Comment – 17164 Cajon Property in San Bernadino


• Draft Closure Directive – 17164 Cajon Property in San Bernadino


• Notice of Public Hearing for Waste Discharge Requirements and Clean Water Act Water Quality Certification for Discharges of Dredged or Fill Material for Santiago Creek Dam Improvement Project, Orange County
  
  
• Notice of Public Hearing for Waste Discharge Requirements for Western Riverside County Regional Wastewater Authority's Western Riverside County Regional Wastewater Treatment Plant - Tentative Order R8-2026-0001
  
  
• Notice of Public for Waste Discharge Requirements for Discharges of Dredged or Fill Material for Compass Danbe Centerpointe, Riverside County
  
  
• Notice of Public Hearing for Waste Discharge Requirements for the Los Alamitos Race Course, Tentative Order R8-2026-0031
  
  
• Notice of Public Hearing for Tentative Order R8-2026-0049 Recission of Waste Discharge Requirements for All Metals Processing of Orange County, Inc.
  
  
• Revised Notice of Public Hearing and Written Comment Period on Tentative NPDES Permit and Waste Discharge Requirements for Discharges of Pollutants in Urban Runoff from the Municipal Separate Storm Sewer Systems in the Counties of Orange, Riverside, and San Bernardino (NPDES No. CAS618000),  posted on June 11th, 2026
  
  
• Notice of Public Hearing for Waste Discharge Requirements and Clean Water Act Water Quality Certification for the Highland/Redlands Regional Connector Project, San Bernardino County
  
  
• Notice of Public Hearing for Rescission of Waste Discharge Requirements for Specific Dischargers, Tentative Order No. R8-2026-0024


• Notice of Public Hearing and Written Comment Period on Tentative NPDES Permit and Waste Discharge Requirements for Discharges of Pollutants in Urban Runoff from the Municipal Separate Storm Sewer Systems in the Counties of Orange, Riverside, and San Bernardino (NPDES No. CAS618000),  posted on May 5th, 2026
  
  
• Notice of Public Hearing for Waste Discharge Requirements for Discharges of Dredged or Fill Material for the Riverside University Health System Wellness Center Project
  
  
• Notice of Opportunity for Public Comment on Proposed Modifications to the Regionwide Bacteria Monitoring Plan for the Santa Ana River Basin (posted April 29, 2026)
  
  
• Notice of Santa Ana Water Board Staff Meeting for Proposed General Waste Discharge Requirements for Discharges of Pollutants in Groundwater to Surface Waters at Sites within the Newport Bay Watershed (posted April 17, 2026)


• Notice of California Environmental Quality Act (CEQA) Public Scoping Meeting on the Proposed Amendment to the Water Quality Control Plan for the Santa Ana River Basin to Revise the Total Maximum Daily Loads for Fecal Coliform in Newport Bay
  
  
• Notice of Public Hearing for Recission and Party Substitutions of Waste Discharge Requirements and Master Reclamation Permit for Specific Dischargers, Tentative Order R8-2026-0015
  
  
• NOTICE OF PUBLIC HEARING AND WRITTEN COMMENT PERIOD ON THE PROPOSED AMENDMENT TO THE WATER QUALITY CONTROL PLAN FOR THE SANTA ANA RIVER BASIN TO EXTEND THE WET WINTER CONDITIONS COMPLIANCE DEADLINE FOR BACTERIAL INDICATOR TOTAL MAXIMUM DAILY LOADS IN THE MIDDLE SANTA ANA RIVER WATERSHED
  
  • AVISO DE AUDIENCIA PÚBLICA Y PERIODO DE COMENTARIOS ESCRITOS SOBRE LA ENMIENDA PROPUESTA AL PLAN DE LA CUENCA DEL SANTA ANA RIVER QUE EXTIENDE EL PLAZO PARA LOGRAR LA TMDL DE BACTERIA INDICADORA EN INVIERNO LLUVIOSO EN LA CUENCA MEDIA DEL SANTA ANA RIVER
    
    
• Notice of Public Hearing for Waste Discharge Requirements for Remediation of Groundwater at the Flatiron Groundwater Treatment Facility, 501 West Francis Street, Ontario, San Bernardino County, Tentative Order R8-2026-0006
  
  
• Notice of Board Meeting for Consideration of approval of a Resolution authorizing the Santa Ana Regional Water Quality Control Board to use Supplemental Environmental Project Funds for Southern California Regional Monitoring Programs
  
  
• Notice of opportunity for public comment on the Revised Proposed alternative method to demonstrate compliance with time schedule order R8-2019-0050, as amended by R8-2023-0063 and R8-2025-0003, to comply with the fecal coliform waste load allocation for Newport Bay for the County of Orange, the Orange County Flood Control District, Costa Mesa, Irvine, Laguna Hills, Laguna Woods, Lake Forest, Newport Beach, Orange, Santa Ana, and Tustin.


• Notice of Public Hearing for Waste Discharge Requirements for Remediation of Groundwater at the Flatiron Groundwater Treatment Facility, 501 West Francis Street, Ontario
  
  
• Noitce of Public Hearing for Waste Discharge Requirements for In-Situ Remediation of Groundwater at Walgreens Store No. 11652 Facility 1726 Superior Avenue, Costa Mesa
  
  
• Notice of Opportunity for Public Comment on Proposed Alternative Method to Demonstrate Compliance with time schedule Order R8-2019-0050, As Amended by R8-2023-0063 and R8-2025-0003, to comply with Fecal Coliform Waste Load Alloocations for Newport Bay for the County of Orange, The Orange County Flood Control District, Costa Mesa, Irvine, Laguna Hills, Laguna Woods, Lake Forest, Newport Beach, Orange, Santa Ana, and Tustin


• Notice Of Public Hearing and Additional Written Comment Period on the Amendment to the Water Quality Control Plan for the Santa Ana River Basin to Incorporate Revised Total Maximum Daily Loads for Nutrients in Lake Elsinore and Canyon Lake, Riverside County, California
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• NOTICE IS HEREBY GIVEN that the Santa Ana Regional Water Quality Control Board (Santa Ana Water Board) is releasing for public review and comment tentative Rescission Order R8-2025-0020 (Tentative Order), which will rescind Order 81-74 Layton Water Brine Pond, Order 83-19 Camino West Coast Services Inc. (Big Brand Tire & Service), and R8-2018-0090 Riverside County Flood Control & Water Conservation District North Norco Line NB Stage 3 Project
  
  
• Notice of Public Hearing for Waste Discharge Requirements for In-Situ Remediation of Groundwater at Centrilift Facility, 5421 Argosy Avenue, Huntington Beach
  
  
• Notice of Public Hearing for Waste Discharge Requirements for Enhanced In-Situ Bioremediation of Groundwater at the Former Raytheon Facility of Orange County, 500 Superior Avenue, Newport Beach
  
  
• Notice of Public hearing for revised Waste Discharge Requirements for discharges of waste at Badlands Sanitary Landfill, Tentative Order R8-2025-0006
  
  
• NOTICE IS HEREBY GIVEN that the Santa Ana Regional Water Quality Control Board (Santa Ana Water Board) is releasing for public review and comment tentative Revision Order R8-2024-0053 (Tentative Order), which will amend Order R8-2013-0035 (Affected Order) to substitute permittees and update the subject facility’s name.
  • Tentative Order R8-2025-0053
    
    
• Corrected Notice of Opportunity for Public Comment on plans related to the Newport Bay Watershed Freshwater Selenium Total Maximum Daily Loads (TMDLs)
  • Notice of Opportunity for Public Comment on plans related to the Newport Bay Watershed Freshwater Selenium Total Maximum Daily Loads (TMDLs)
    
    
• Notice of Opportunity for Public Comment on Draft Order R8-2025-0023
  
  
• Notice of Public Hearing for Waste Discharge Requirements for Pilot Scale In-Situ Remediation of Deep Vadose Zone and Groundwater at All Metals Processing of Orange County, 8401 Standustrial Street, Stanton
  
  
• Notice of Public Hearing on the Amendment to the Water Quality Control Plan for the Santa Ana River Basin to incorporate revised Total Maximum Daily Loads for nutrients in Lake Elsinore and Canyon Lake, Riverside County, California
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• Notice of Opportunity for Public Comments on the Proposed Amendment to the Water Quality Control Plan for the Santa Ana River Basin to incorporate revised Total Maximum Daily Loads for nutrients in Lake Elsinore and Canyon Lake, Riverside County, California
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• Notice of Opportunity for Public Comment on Draft Order R8-2025-0003 (posted 11/14/2024)
  
  
• Notice of Public Hearing for Waste Discharge Requirements for Colton Sanitary Landfill, Colton, San Bernardino County
  
  
• Notice of California Environmental Quality Act (CEQA) Scoping Meeting regarding Proposed Basin Plan Amendment to update the Chino Basin Maximum Benefit Salt and Nutrient Management Plan
  
  
• Notice of Board Workshop for Draft Order R8-2024-0001, National Pollutant Discharge Elimination System (NPDES) Permit and Waste Discharge Requirements for Discharges of Pollutants in Runoff from the Municipal Separate Storm Sewer Systems (MS4) in the Counties of Orange, Riverside, and San Bernardino within the Santa Ana Region
  • Aviso del taller de la Junta para el Proyecto de Orden R8-2024-0001, Permiso del Sistema Nacional de Eliminación de Descargas de Contaminantes (NPDES) y Requisitos de descarga de desechos para descargas de contaminantes en la escorrentía de los sistemas municipales separados de alcantarillado pluvial (MS4) en los condados de Orange, Riverside, y San Bernardino dentro de la Región de Santa Ana
    
    
• Notice of Public Hearing for Waste Discharge Requirements for In-Situ Remediation of Groundwater at the James Square Facility, Corona Del Mar, Orange County, Tentative Order R8-2024-0049
  
  
• Notice of Staff Workshop for Draft Order R8-2024-0001, National Pollutant Discharge Elimination System (NPDES) Permit and Waste Discharge Requirements for Discharges of Pollutants in Runoff from the Municipal Separate Storm Sewer Systems (MS4) in the Counties of Orange, Riverside, and San Bernardino within the Santa Ana Region
  • AVOS DE TALLER DE PERSONAL PARA PROPUESTA DE ORDEN R8-2024-0001, PERMISO DEL SISTEMA NACIONAL DE ELIMINACIÓN DE DESCARGAS CONTAMINANTES (NPDES) Y REQUISITOS DE DESCARGA DE DESPERDICIOS PARA DESCARGAS DE CONTAMINANTES EN LA ESCORRENTÍA DE LOS SISTEMAS MUNICIPALES DE ALCANTARILLADO PLUVIAL (MS4) EN LOS CONDADOS DE ORANGE, RIVERSIDE Y SAN BERNARDINO DENTRO DE LA REGIÓN DE SANTA ANA
    
    
• Notice of Extension of Public Comment Period Proposed Order R8-2024-0001, National Pollutant Discharge Elimination System (NPDES) Permit and Waste Discharge Requirements for Discharges of Pollutants in Runoff from the Municipal Separate Storm Sewer Systems (MS4) in the Counties of Orange, Riverside, and San Bernardino within the Santa Ana Region
  • AVISO DE EXTENSIÓN DEL PERÍODO DE COMENTARIOS PÚBLICOS PROPUESTA DE ORDEN R8-2024-0001, PERMISO DEL SISTEMA NACIONAL DE DESCARGA DE DESPERDICIOS PARADESCARGAS DE CONTAMINANTES EN LA ESCORRENTÍA DE LOS SISTEMAS MUNICIPALES DE ALCANTARILLADO PLUVIAL (MS4) EN LOS CONDADOS DE ORANGE, RIVERSIDE Y SAN BERNARDINO DENTRO DE LA REGIÓN DE SANTA ANA
    
    
• Notice of Opportunity for Public Comment and Notice of Board Workshop Proposed Order R8-2024-0001, National Pollutant Discharge Elimination System (NPDES) Permit and Waste Discharge Requirements for Discharges of Pollutants in Runoff from the Municipal Separate Storm Sewer Systems (MS4) in the Counties of Orange, Riverside, and San Bernardino within the Santa Ana Region
  • AVISO DE OPORTUNIDAD PARA COMENTARIOS PÚBLICOS, PROPUESTA DE ORDEN R8-2024-0001, PERMISO DEL SISTEMA NACIONAL DE ELIMINACIÓN DE DESCARGAS CONTAMINANTES (NPDES) Y REQUISITOS DE DESCARGA DE DESPERDICIOS PARA DESCARGAS DE CONTAMINANTES EN LA ESCORRENTÍA DE LOS SISTEMAS MUNICIPALES DE ALCANTARILLADO PLUVIAL (MS4) EN LOS CONDADOS DE ORANGE, RIVERSIDE Y SAN BERNARDINO DENTRO DE LA REGIÓN DE SANTA ANA
    
    
• Notice of Public Hearing for Condemning Racism, Xenophobia, Bigotry, and Racial Injustice and Strengthening Commitment to Racial Equity, Diversity, Inclusion, Access, and Anti-Racism in the Santa Ana Region Tentative Resolution R8-2024-0029
  • AVISO DE AUDIENCIA PÚBLICA PARA CONDENAR EL RACISMO, LA XENOFOBIA, EL FANATISMO Y LA INJUSTICIA RACIAL Y REFORZAR EL COMPROMISO CON LA EQUIDAD RACIAL, LA DIVERSIDAD, LA INCLUSIÓN, EL ACCESO Y EL ANTIRRACISMO EN LA REGIÓN DE SANTA ANA RESOLUCIÓN PROVISIONAL R8-2024-0029
    
    

• Notice of Public Hearing for Waste Discharge Requirements for In-Situ Chemical Reduction Remediation Pilot Test at the Former Sanmina Plant 1, 18522 Von Karman Avenue, and Michelson Plaza, 2400 Michelson Drive, Irvine, Orange County
  

• Dairy operators who submit Notices of Intent to comply with Regional Board Order No. R8-2018-0001 (the General Dairy Permit) must have their Notices of Intent and Engineered Waste Management Plans subject to public comment for a period of 30-days before the discharge is authorized by the Executive Officer.  If the facility also has a Nutrient Management Plan or if the Executive Officer is proposing to add conditions to the authorization, the Nutrient Management Plan and the discharge authorization letter must also be subject to public comment. Go to the Dairy NOI page to view a list of documents that are subject to public comment.
  

Additional Areas of Public Interest

• Enforcement Actions - Administrative Civil Liability Complaints, Mandatory Penalty Complaints, Cleanup and Abatement Orders and Time Schedule Orders
  
  
• Tentative Orders - Orders that will be brought before the Santa Ana Regional Board
  
  
• Regional Board Meeting Agendas, Agenda Items, Updates, Minutes and Meeting Locations
  
  
• Dredge and Fill Discharges - Clean Water Act Section 401 Water Quality Standards Certification

Statewide Current Public Information

• Documents for Public Comment - Statewide List - Includes issues for the Santa Ana Region
  
  
• State Board Meeting Schedule & Agendas - Statewide List