Report a Spill

Hazardous or unknown spills


  • Call 911 or 707-528-5151

Non-emergencies/ non-hazardous


Non-emergencies still need a fast response so call as soon as possible. 

  • 707-543-3800 - During Business Hours (Monday - Friday, 8 a.m. - 5 p.m.)
  • 707-543-3805 - After Hours

When You See the Following Type of Emergency Spills, Please Call 911:


  • Unknown substance
  • Chemicals (includes oil and grease)
  • Vehicle fluids flowing or running (such as oil, gasoline, diesel)
  • Paint reaching the creek or storm drain
  • 55 gallon drum
  • Compressed gas cylinder
  • White powder
  • Spill during heavy rain
  • Power-washing of lead-based paint
  • Smoking or fuming substance/container
  • Large spill running in street, gutter or creek
  • Release from a commercial facility
  • Spill or crime in progress
  • Other hazard to health or safety (anything blocking the street or entrance to school)

For All Other Spills Please Call 707-543-3800:


  • Washing of parts or equipment
  • Paint not reaching the creek or storm drain
  • Washing cars
  • Mud, dirt or silt
  • Concrete/saw cutting
  • Pool water
  • Power washing
  • Yard waste
  • Leaves in gutter
  • Illegal dumping
  • Septic/human waste not out of the sewer system (such as RV discharge, buckets of human waste)
  • Vehicle fluids dripping or small puddle (such as oil, gasoline, diesel)
  • Other minor spill

When Calling in a Spill Please Provide the Following Information:



  • Where the incident occurred (street address, cross street)
  • When the incident occur or if it is presently occurring
  • What happened or is happening
  • What materials are involved
  • The amount of material
  • If the issue affects or threatens to affect a creek
  • If the material is flowing, dripping, running, or puddled
  • If the material is flowing, dripping, running, or puddled and has gone into a storm drain
  • If the material is in the creek
  • If you know who or what caused the situation
  1. What is storm water?
  2. How do you report wasteful use of water?
  3. When calling in to report a spill or wasteful water use, can I remain anonymous?
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