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Because our storm sewer systems carry water directly to our lakes, rivers, and wetlands without additional treatment, only clean stormwater should enter a storm sewer system. If any other discharge enters the system, it is usually an illicit discharge. MS4s must develop and implement a program to detect and eliminate illicit discharges within their storm sewer system.
 
Because our storm sewer systems carry water directly to our lakes, rivers, and wetlands without additional treatment, only clean stormwater should enter a storm sewer system. If any other discharge enters the system, it is usually an illicit discharge. MS4s must develop and implement a program to detect and eliminate illicit discharges within their storm sewer system.
  
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*[https://www.epa.gov/npdes/national-menu-best-management-practices-bmps-stormwater#ill EPA MCM 3 guidance]
 
*[https://www3.epa.gov/npdes/pubs/fact2-5.pdf EPA Illicit Discharge Fact sheet]
 
*[https://www3.epa.gov/npdes/pubs/fact2-5.pdf EPA Illicit Discharge Fact sheet]
*[https://www.epa.gov/npdes/national-menu-best-management-practices-bmps-stormwater#ill EPA MCM 3 guidance]
 

Revision as of 18:22, 23 May 2017

Because our storm sewer systems carry water directly to our lakes, rivers, and wetlands without additional treatment, only clean stormwater should enter a storm sewer system. If any other discharge enters the system, it is usually an illicit discharge. MS4s must develop and implement a program to detect and eliminate illicit discharges within their storm sewer system.