This is an Administrative Order (AO) for compliance pursuant to CWA 309(a) issued to Sausalito-Marin City Sanitary District. The violation involves unpermitted discharges from wastewater collection systems operated by SMCSD, City of Sausalito, and Tamalpais CSD. The Order directs SMCSD, TCSD, and the City of Sausalito to take steps to eliminate sewage spills (SSOs).