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Illicit Discharge Detection and Elimination

An illicit discharge is defined as "a point source discharge of pollutants to a MS4 which is not composed entirely of storm water and not authorized by an NPDES permit". Discharge sources must be controlled and illegal behavior prohibited. The City plans to prevent the discharge of pollutants to receiving waters by eliminating illicit discharges to the City's storm water conveyance system. Additionally, the City intends to gain a thorough awareness of the storm drain system ultimately providing better opportunity for determining the types and sources of illicit discharges entering the MS4. Illicit discharge detection and elimination steps will include:

  • Identify and manage non-storm water discharges
  • Complete an update to its storm drain system map
  • Inspect all storm drain outfalls on an annual basis
  • Storm water sampling and analysis of "first flush" events
  • Conduct illicit discharge/connection investigation and abatement
  • Conduct business and industry inspections for storm water pollution
  • Conduct public education and outreach