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 (ORDER WQ 2022-0103-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.