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Santa Ana Region Basin Plan

Santa Ana Region Basin Plan

The 1995 Water Quality Control Plan for the Santa Ana River Basin (Region 8) was updated in February 2008. It is available below:

Basin Plan Cover

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.

get adobe acrobat image


The Santa Ana River Basin Water Quality Control Plan is also available to download as a zip file. It is all of the files listed above. The file is approxiamtely 12MB and a compression utility is needed to unzip and open.

2006 Basin Plan Triennial Review


Amendments to the Basin Plan are available below:

Resolution No. 97-20 Bacterial Objectives for Ocean Waters

Resolution No. 98-100 Newport Bay Watershed Nutrient TMDL

Resolution No. 98-101 Newport Bay Watershed Sediment TMDL

Resolution No. 99-10  Newport Bay Fecal Coliform TMDL

Resolution No. 00-27 Incorporate Language Authorizing Compliance Schedules in NPDES

Resolution No. R8-2003-0039 Diazinon and Chlorpyrifos in the Upper Newport Bay Watershed TMDL

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

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

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. R8-2006-0023 Resolution Amending the Water Quality Control Plan for the Santa Ana River Basin to Incorporate a Nutrient Total Maximum Daily Load (TMDL) for Dry Hydrological Conditions for Big Bear Lake

Resolution No. R8-2006-0024 Amending the Water Quality Control Plan for the Santa Ana River Basin to Include a Waste Discharge Prohibition on the Use of Onsite Septic Tank-Subsurface Disposal Systems in the Quail Valley Area of Riverside County


For additional information regarding the Basin Plan please contact Mark Adelson at (951) 782-3234