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The U.S. Environmental Protection Agency (EPA) defines illicit discharges in general as any discharge into a storm drain system that is not composed entirely of stormwater. The exceptions include water from fire fighting activities, discharges from de-chlorinated waterlines, fire hydrant flushing and discharges from facilities already under an National Pollutant Discharge Elimination System (NPDES) Permit.
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Illicit discharges are a problem because unlike wastewater, which flows to a wastewater treatment plant, stormwater generally flows to waterways without any additional treatment. Illicit discharges often include pathogens, nutrients, surfactants, and various toxic pollutants.
Illicit discharges are activities that may allow for waste water to enter into a storm drain, ditch, or waterway, for example:
Examples of what you might see that result from illicit discharges:
If you encounter what you suspect to be an illicit discharge during normal business hours (weekdays from 8 a.m. to 4:30 p.m.) please notify Bill Campbell, Manager of the Marshall Township Municipal Sanitary Authority at 724-935-3090.
For emergency situations that include hazardous waste spills, spills of raw sewage, gasoline, or other hazardous materials, dial 911.