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.
Acrobat Reader is required to view the document. A link to download Acrobat Reader is available below. Some chapters are large an may take a few minutes to load, please be patient.
2019-2022 Triennial Review - Adopted June 14, 2019
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 Amendments to Revise Recreation Standards for Inland Fresh Waters in the Santa Ana Region - Adopted June 15, 2012
Basin Plan Amendment to make Updates to Salt Management Plan
Notice of CEQA scoping meeting regarding
Development of a Basin Plan Amendment to Incorporate Updates to the Total Dissolved Solids and Nitrogen Management Plan for the Santa Ana Region
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
Salt Management Plan
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)
Resolutions for Basin Plan Amendments are listed below
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 Claudia Tenorio at (951) 782-4963
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