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Illicit Discharge Detection & Elimination

What is an Illicit Discharge?


An illicit discharge occurs when any material other than stormwater is improperly disposed of, spilled, emitted, or otherwise released into the stormwater drainage system. This system includes streets, ditches, catch basins, yard inlets, lakes, and streams.

These discharges contribute to water pollution by introducing harmful substances directly into creeks, streams, ponds, and lakes. Understanding what constitutes an illicit discharge is essential for preventing pollution and protecting our waterways.

Help keep our streams clean! If you observe an illicit discharge or notice any form of water pollution entering streams or stormwater inlets, report it to the Township. For emergencies, dial 911.

Examples of Illicit Discharges

  • Pouring paint into or near storm drains
  • Performing oil or antifreeze changes near storm structures
  • Washing vehicles where runoff flows into the stormwater drainage system
  • Cleaning dumpster pads and allowing the wastewater to enter storm drains

Reporting a Suspected Illicit Discharge

Reporting promptly allows the Township to locate the source, clean it up, and mitigate further damage as quickly as possible. 
When reporting an illicit discharge, please provide the following details:

  • Your Name and Contact Information
  • Your identity remains confidential and is only used if additional details are needed.
  • Time of Observation
  • Location of the Discharge
    • Provide an address, intersection, business name, or landmark to help us pinpoint the exact location
  • Type of Discharge Observed 
    • Describe what you saw, such as paint, oil, sewage, or another substance.

Preventing illicit discharges is vital to protecting our environment and maintaining clean, healthy streams. Your awareness and quick action can make a significant difference!

Stormwater Hotline | 215-348-9915

To report a concern (illicit discharge, sinkholes, erosion, debris in inlets, etc.) please call the Stormwater Hotline at 215-348-9915.

Download Doylestown Township's Plan for Illicit Discharge & Illimitation