California Integrated Water Quality System Project (CIWQS)
Sanitary Sewer Overflows (SSOs) Reports
Sanitary sewer system agencies covered under Statewide General Waste Discharge Requirements for Sanitary Sewer Systems (WQO No. 2006-0003-DWQ), referred to as Enrollees, are required to report all SSOs for which their agency has responsibility into the State Water Resources Control Board’s SSO database.
Here is the link to Statewide Reported Sewer Spills-