California Stormwater Quality Association: casqa.com

Los Angeles County Water Resources: ladpw.org/wmd

Los Angeles County Sanitation Districts: lacsd.org

Stormwater Resources Control Board: waterboards.ca.gov

Environmental Protection Agency: epa.gov

Los Angeles Waterkeeper Organization: lawaterkeeper.org

California Coastal Conservancy: scc.ca.gov

Keep America Beautiful Non-Profit: kab.org

Friends of the LA River Non-Profit: folar.org

Heal the Bay: healthebay.org

Tree People Non-Profit: treepeople.org

Long Beach Municipal Urban Stormwater (LB-MUST) Project: lbmust.com