State Water Resources Control Board
99-08-DWQ and New Preliminary Draft General Construction Permit
http://www.waterboards.ca.gov/stormwtr/index.html

USEPA
http://cfpub1.epa.gov/npdes/home.cfm?program_id=6

San Diego Regional Water Quality Control Board
http://www.waterboards.ca.gov/sandiego/

303d List of Water Quality Limited Segments
http://www.waterboards.ca.gov/sandiego/programs/303dlist.html

National Oceanic and Atmospheric Administration's (NOAA) National Weather Service Forecast Office
http://www.wrh.noaa.gov/sgx/obs/rainobs.php?wfo=sgx

Project Clean Water
www.projectcleanwater.org

The California Stormwater Quality Association
www.casqa.org

Caltrans Division of Construction
Stormwater Quality Manuals and Handbooks
www.dot.ca.gov/hq/construc/stormwater/manuals.htm