Santa Ana River Basin Plan
The 1995 Water Quality Control Plan for the Santa Ana River Basin (Region 8) was updated in February 2008, June 2011, and February 2016.
Important! Please review Notes about the February 2008, June 2011, February 2016 and June 2019 Basin Plan updates.
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Announcements
2019-2022 Triennial Review - Adopted June 14, 2019
- Final Resolution Number R8-2019-0055 adopting the Triennial Review Priority List and Work Plan
- Final Staff Report
- 2019 Triennial Review Comments
- USEPA
- Lido Peninsula Company, LLC
- Lake Elsinore/Canyon Lake TMDL Task Force
- Middle Santa Ana River Task Force
- Basin Monitoring Program Task Force
- Orange County Public Works
- Irvine Ranch Water District (received 5/29/2019)
- San Bernardino Storm Water Program - Big Bear Lake (received 5/29/2019)
- San Bernardino Storm Water Program - Middle Santa Ana River TMDL (received 5/29/2019)
- Response to Comments June 7, 2019
- State Water Resources Control Board approval of the following Basin Plan Amendments (September 20, 2018)
- Basin Plan Amendment to Incorporate Total Maximum Daily Loads for Selenium in Freshwater: Newport Bay Watershed, Orange County, California
- Basin Plan Amendments to Revise Compliance Schedule for SHEL TMDL. OAL approval September 24, 2018
- Basin Plan Amendments to Revise Schedule for SHEL TMDL. EPA Approval October 12, 2018
Additional Basin Plan Information & Reports
2015 Basin Plan Triennial Review - Adopted July 24, 2015
Final Basin Plan Amendment Resolution No. R8-2015-0085 adopting the Triennial Review Priority List and Work Plan
Comment Letters
- Orange County Coastkeeper
- Orange County Water District
- Irvine Ranch Water District
- Lake Elsinore & San Jacinto Watersheds Authority
- Santa Ana Watershed Project Authority
Regional Board staff Responses to Comments
Basin Plan Maps - Maps showing all water bodies listed in the Water Quality Control plan for the Santa Ana River Basin - Regional 8, also known as the Basin Plan (draft work product, to be used for informational purposes only).
Basin Plan Amendment to make Updates to Salt Management Plan
Basin Plan Amendment to Revise TDS/Nitrate-Nitrogen Objectives for San Jacinto Upper Pressure Zone
2006 Basin Plan Triennial Review
Stormwater Quality Standards Task Force
Recomputation of Ambient Water Quality in the Santa Ana Watershed for the Period 1987 to 2006 -
Final Technical Memorandum (Basin Plan Amendment Required Monitoring and Analyses)
Amendments to the Basin Plan
Resolution No. R8-2017-0036 Resolution Amending the Water Quality Control Plan for the Santa Ana River Basin to Revise the Water Quality Objective for Nitrate-as-Nitrogen in the Chino-South Groundwater Management Zone
Resolution No. R8-2017-0019 Resolution Approving Amendments to the Basin Plan to: Revise Compliance Schedule for Fecal Coliform Total Maximum Daily Load (TMDL) for Shellfish Harvesting (SHEL) in Newport Bay; Revise SHEL Beneficial Use Definition; Add Antidegradation Targets for Non-contact Water Recreation (REC2) Only Waters; Add Certain Waters to Table 3-1 and Designate Beneficial Uses for Those and Other Select Waters; Add Chapter 6 TMDLs and Introductory Narrative, and Revise Subsequent Chapter Numbering; Add Fecal Indicator Bacteria Footnote to Chapters 4 and 5
Resolution No. R8-2017-0014 Amendment to the Water Quality Control Plan for the Santa Ana River Basin to Incorporate Total Maximum Daily Loads for Selenium in Freshwater, Newport Bay Watershed, Orange County, California
Resolution No. R8-2014-0005 Resolution Amending the Water Quality Control Plan for the Santa Ana River Basin to Incorporate Updates Related to the Salt Management Plan for the Santa Ana Region
Resolution No. R8-2005-0001 Amending the Water Quality Control Plan for the Santa Ana River Basin to Incorporate Bacterial Indicator TMDLs for Middle Santa Ana River Watershed Waterbodies
Resolution No. R8-2004-0037 Lake Elsinore and Canyon Lake Nutrient TMDL
Resolution No. R8-2003-0039 Diazinon and Chlorpyrifos in the Upper Newport Bay Watershed TMDL
Resolution No. 00-27 Incorporate Language Authorizing Compliance Schedules in NPDES
Resolution No. 99-10 Newport Bay Fecal Coliform TMDL
Resolution No. 98-101 Newport Bay Watershed Sediment TMDL
Resolution No. 98-100 Newport Bay Watershed Nutrient TMDL
Resolution No. 97-20 Bacterial Objectives for Ocean Waters
Additional planning resources that have not been adopted into the Basin Plan
Map of Hydrologic Areas of the Santa Ana River Basin
Index to Map of Hydrologic Areas of the Santa Ana River Basin
For additional information regarding the Basin Plan please contact David Woelfel at (951) 782-7960