MCSTOPPP Local Stormwater Illegal Discharge Contacts

If you are witnessing an illegal discharge to a storm drain, creek or wetland
During normal business hours: call your local stormwater illegal discharge contact above.
After normal business hours: emergency : 911 or Marin County Sheriff non-emergency line: 499-7233

If the discharge has already occurred and is not an emergency or immediate threat
Anonymously online at any time: Anonymous Reporting Form
During and after normal business hours: leave message for your local stormwater illegal discharge contact above.

Other Agency Violations

To report oil and chemical spills or potential spills occurring in or threatening storm drains and "open waters", call the California Emergency Management Agency at 1-800-OILS911. In the event of a confirmed oil spill in a marine environment, first contact the National Response Center (NRC) at: 1-800-424-8802.
To report habitat destruction, fish kills, or poaching, call the California Department of Fish and Game at 1-888-334-2258.
To report pesticide misuse or contamination, call the Department of Agriculture Weights and Measures at 415-499-6700.
To report litterers on the highways/freeways call the Highway patrol at 1-800-TELL-CHP. Please include: Date and time of incident, License plate number, Car make and model, Location where you saw the incident, Which person in the vehicle threw the cigarette and/or trash.