Morrisville, North Carolina
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Illicit Discharge Detection & Elimination
To report illegal dumping into streams or storm drains call the Stormwater Hotline at 919.463.S0AK (7025)

The focus of the illicit discharge detection and elimination program is to detect and eliminate illicit discharges, including spills and illegal dumping. In addition, the Town must identify and address significant contributors of pollutants to the MS4, implement appropriate enforcement procedures and actions, and develop a storm sewer system inventory and overall map showing all outfalls and associated conveyances. The final program goal is to inform employees, businesses, and the general public of hazards associated with illegal discharges and improper disposal of waste.

The Town developed and adopted an ordinance to prohibit illicit discharges to the storm sewer system, which is included in the Town’s Unified Development Ordinance. Also, GIS mapping of the existing stormwater drainage system as of 2013 has been completed, and corresponding drainage areas have been delineated and receiving streams identified. New construction after 2013 is being added to the inventory using digital “as-built” files required during the construction process. The Town is also in the process of developing a stormwater outfall inspection program to detect dry weather flows and monitor erosion at system outfalls.

If you would like to learn more about IDDE, visit our Public Education & Outreach page; or you may schedule a time to view a brief training video by contacting the stormwater staff at 919.463.7025 or .

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