Illegal Discharge Contacts

Raul M. Rojas, County Purchasing Agent, Director, Public Works
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What to do for Illegal Stormwater Discharges

Follow steps below to anonymously report an illegal discharge into a storm drain, creek, wetland, bay or ocean.

If you are witnessing an illegal discharge

  • During normal business hours call your local illegal discharge contact listed below.
  • After normal business hours call the Marin County Sheriff non-emergency line (415) 473-7233.
  • For an emergency or a spill involving hazardous materials or hazardous waste call 911 or your local Fire Department
  • For spills into creeks, wetlands, bays or the ocean: call the California Office of Emergency Services (CalOES) at (800) 852-7550

If the discharge has already occurred and is not an emergency or immediate threat

  • Complete this online form or contact your local stormwater agency listed below.

Experiencing an orange substance in the creek?  - It may be the presence of an organism living in the water. Check out "The Story of Iron Oxidizing Bacteria."

MCSTOPPP Local Contacts: Illegal Discharges or Creek Violations

Belvedere (415) 435-3838 Robert Zadnik
Corte Madera (415) 927-5057 Michael Palmer
County Unincorporated (415) 473-3202 Angela Clapp
Fairfax (415) 458-2370 Mark Lockaby
Larkspur (415) 927-5017 Scott Metcho or Bob Quinn
Mill Valley (415) 388-4820 Julie McClure
Novato (415) 899-8241 or (415) 899-8286 (Joe) Joe Stene
Ross (415) 453-8287 (ext.163) Richard Simonitch
San Anselmo (415) 258-4616 Sean Condry
San Rafael (415) 485-3172 Mark Wright
Sausalito (415) 289-4192 Pat Guasco
Tiburon (415) 435-7354 Dmitriy Lashkevich

Other Agency Violations

  • To report habitat destruction, fish kills, or poaching, call the California Department of Fish and Wildlife 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.
  • To report public cigarette butt littering call the Cigarette Litter Hotline at (877) 211-2888 (BUTT).