What are examples of illicit discharges?

Illicit Discharge ExampleIllicit discharges are activities that may allow for waste water to enter into a storm drain, ditch, or waterway, for example:

  • Damaged sanitary sewer lines or sewer cross connections to stormwater systems
  • Erosion of dirt or landscaping materials being swept into a storm drain or water body (including from construction sites)
  • Improper disposal of household or other hazardous materials, including paints and stains
  • Improper pet waste disposal
  • Improper storage of oil, pesticides, dirt, or fertilizers
  • Leaking dumpsters
  • Motor vehicle fluid spills or illegal disposal into a storm drain
  • Septic system failure
  • Vehicle wash water from loading areas in the vicinity of storm drain inlets

Examples of what you might see that result from illicit discharges:

  • Discoloration of water
  • Foamy/soapy water in the waterway
  • Muddied water from sediment and dirt
  • Oily/greasy sheen in the stream water
  • Overflowing manholes

Show All Answers

1. What is an illicit discharge?
2. Why are illicit discharges a problem?
3. What are examples of illicit discharges?
4. How can I report an illicit discharge?