Illegal Discharge

"Illegal discharge" is any direct or indirect non-stormwater discharge to the storm drain system, except as exempted herein. Use Request Tracker to report illegal discharge situations.

Illicit Discharge

"Illicit discharge" is any drain or conveyance, whether on the surface or subsurface, which allows an illegal discharge to enter the storm drain system, including but not limited to:
  • Any conveyances which allow any non-stormwater discharge including sewage, process wastewater, and wash water to enter the storm drain system.
  • Any connections to the storm drain system from indoor drains and sinks, regardless of whether said drain or connection had been previously allowed, permitted, or approved by a government agency.
  • Any drain or conveyance connected from a commercial or industrial land use to the storm drain system which has not been documented in plans, maps, or equivalent records and approved by the city.


A "pollutant" is anything which causes or contributes to pollution. Pollutants may include, but are not limited to:
  • Animal wastes
  • Dissolved and particulate metals
  • Fecal coliform and pathogens
  • Floatables
  • Hazardous substances and wastes
  • Non-hazardous liquid and solid wastes and yard wastes, refuse, rubbish, garbage, litter, or discarded or abandoned objects, articles, and accumulations, so that same may cause or contribute to pollution
  • Noxious or offensive matter of any kind
  • Oil and other automotive fluids
  • Paints, varnishes, and solvents
  • Pesticides, herbicides, and fertilizers
  • Sewage
  • Wastes and residues that result from constructing a building or structure, including but not limited to sediments, slurries, and concrete rinsates


A "watercourse" is any body of water, including but not limited to lakes, ponds, rivers, streams, and bodies of water, whether natural or man-made, which are indicated on the City’s storm sewer system map.


A "waterway" is a channel that directs surface runoff to a watercourse or to the public storm sewer system.