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

Los Peñasquitos

Water Quality Improvement Plan for the Los Penasquitos Watershed Management Area

Mission Bay

Water Quality Improvement Plan for the Mission Bay Watershed Management Area

San Diego Bay

Water Quality Improvement Plan for the San Diego Bay Watershed Management Area

San Diego River

Water Quality Improvement Plan for the San Diego River Watershed Management Area

San Dieguito River

Water Quality Improvement Plan for the San Dieguito River Watershed Management Area

San Luis Rey River

Water Quality Improvement Plan for the San Luis Rey River Watershed Management Area

Santa Margarita River

Water Quality Improvement Plan for the Santa Margarita River Watershed Management Area

South Orange County

Water Quality Improvement Plan for the South Orange County Watershed Management Area

Tijuana River

Water Quality Improvement Plan for the Tijuana River Watershed Management Area