Water Quality Improvement Plans

There are ten watershed Water Quality Improvement Plans in the San Diego Region. These Plans include descriptions of the highest priority pollutants or conditions in a specific watershed, goals and strategies to address those pollutants or conditions, and time schedules associated with those goals and strategies.

All Water Quality Improvement Plans have been accepted by the San Diego Regional Water Quality Control Board. If you would like to receive a copy of an acceptance letter for a specific Watershed Management Area, please submit a request to sandiego@waterboards.ca.gov.

Carlsbad

Water Quality Improvement Plan for the Carlsbad Watershed Management Area - Accepted November 22, 2016

Los Penasquitos

Water Quality Improvement Plan for the Los Penasquitos Watershed Management Area - Accepted February 12, 2016

Mission Bay

Water Quality Improvement Plan for the Mission Bay Watershed Management Area - Accepted February 12, 2016

San Diego Bay

Water Quality Improvement Plan for the San Diego Bay Watershed Management Area - Accepted February 12, 2016

San Diego River

Water Quality Improvement Plan for the San Diego River Watershed Management Area - Accepted February 12, 2016

San Dieguito River

Water Quality Improvement Plan for the San Dieguito River Watershed Management Area - Accepted February 17, 2016

San Luis Rey River

Water Quality Improvement Plan for the San Luis Rey River Watershed Management Area - Accepted February 12, 2016

Santa Margarita River

Water Quality Improvement Plan for the Santa Margarita River Watershed Management Area - Accepted November 27, 2018

South Orange County

Water Quality Improvement Plan for the South Orange County Watershed Management Area - Accepted June 20, 2018

Tijuana River

Water Quality Improvement Plan for the Tijuana River Watershed Management Area - Accepted February 12, 2016