Mount Holly, NC

Illicit Discharge Detection & Elimination

Illicit connections are defined as "illegal and/or improper connections to storm drainage systems and receiving waters." Illicit discharges can be categorized as either direct or indirect.

Examples of direct illicit discharges:
  • sanitary wastewater piping that is directly connected from a home to the storm sewer
  • materials (e.g., used motor oil) that have been dumped illegally into a storm drain catch basin
  • a shop floor drain that is connected to the storm sewer
  • a cross-connection between the municipal sewer and storm sewer systems
Examples of indirect illicit discharges:
  • an old and damaged sanitary sewer line that is leaking fluids into a cracked storm sewer line
  • a failing septic system that is leaking into a cracked storm sewer line

Report Water Pollution

Contact 911 if the illicit discharge is creating a life threatening situation.

Contact the Stormwater Specialist:
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