State of California San Francisco Bay Regional Water Quality Control Board
1515 Clay St, Suite 1400
Oakland, CA 94612
NotesIllegal dumping of toxics near a creek/stream (including the Petaluma River, Sonoma Creek, related tributaries and wetlands) SOUTH OF COTATI within Region 2 in Sonoma County. The spill and complaint hotline is checked 4 times per day, even on weekends. Visit http://www.waterboards.ca.gov/waterboards_map.shtml to determine if address is within the Board's region. See website for more instruction.