Santa Ana Region Basin Plan

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.

Basin Plan Cover

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Announcements

2019-2022 Triennial Review - Adopted June 14, 2019

Additional Basin Plan Information & Reports

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)

Amendments to the Basin Plan

Resolution No. R8-2017-0036 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 TMDL for Shellfish Harvesting (SHEL) in Newport Bay

Resolution No. R8-2017-0014 Amendment to the Water Quality Control Plan for the Santa Ana River Basin to Incorporate TMDL 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. R8-2012-0002 Resolution Amending the Water Quality Control Plan for the Santa Ana River Basin to Incorporate Updates Related to the Salt Management Plan

Resolution No. R8-2012-0001 Bacteria Quality Objectives and Implementation Strategies, Recreation Beneficial Uses, the Addition and Deletion of Certain Waters Listed in the Basin Plan and Designation of Appropriate Beneficial Uses

Resolution No. R8-2011- 0037 Incorporate Organochlorine Compounds TMDL for San Diego Creek, Upper and Lower Newport Bay, Orange County, California

Resolution No. R8-2010-0039 Maximum Benefit Salt Management Plan for the San Jacinto Upper Pressure Management Zone

Resolution No. R8-2006-0024 Onsite Septic Tank-subsurface Disposal System in Quail Valley Area TMDL

Resolution No. R8-2006-0023 Dry Hydrological Conditions for Big Bear Lake TMDL

Resolution No. R8-2005-0001 Middle Santa Ana River Watershed Waterbodies TMDL

Resolution No. R8-2004-0037 Lake Elsinore and Canyon Lake Nutrient TMDL

Resolution No. R8-2004-0001 Incorporate an Updated Total Dissolved Solids (TDS) and Nitrogen Management Plan

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 Claudia Tenorio at (951) 782-4963