The San Diego Stormwater Department works year-round to prevent flooding, reduce pollution runoff and protect our quality of life in the San Diego River Watersheds.

San Diego Watersheds

  • Los Peñasquitos
  • San Diego River
  • Famosa Slough
  • San Diego Bay
  • Chollas Creek
  • Mission Bay
  • La Jolla (many smaller watershed areas)
  • Tijuana River
  • San Dieguito

Crane wading in shallow water in an estuary

We are proud to support our partner, San Diego Coastkeeper, in their advocacy and education of our watersheds. Their important work is guided by engaged and informed communities, and protective of a healthy environment that supports high biodiversity, resilient ecosystems and thriving neighborhoods.

For more information about watersheds near you, visit the San Diego Coastkeeper website on watersheds.


Tijuana estuary watershed

Community Involvement

Think Blue Calendar

Saturday, September 18, 2021 - 12:00am


Sep 18

Saturday, September 18, 2021 - 12:00am to Friday, September 24, 2021 - 11:55pm


Sep 18

Sunday, September 19, 2021 - 12:00am


Sep 19

View Calendar


Stay Informed

Subscribe to Think Blue San Diego and the City of San Diego Stormwater Department newsletter for updates, latest events and more.


Stay Connected