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− | [[File:IDDE Sample.jpg|right|thumb|alt=This image shows a person collecting a water sample from an outfall |<font size=3>Image of a person collecting a water sample from an outfall </font size>]] | + | [[File:IDDE Sample.jpg|500 px|right|thumb|alt=This image shows a person collecting a water sample from an outfall |<font size=3>Image of a person collecting a water sample from an outfall </font size>]] |
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://www3.epa.gov/npdes/pubs/fact2-5.pdf EPA Illicit Discharge Fact sheet] - EPA fact sheet on MCM 3 | *[https://www3.epa.gov/npdes/pubs/fact2-5.pdf EPA Illicit Discharge Fact sheet] - EPA fact sheet on MCM 3 | ||
*[https://www.epa.gov/sites/production/files/2015-12/documents/modelillicit.pdf Illicit Discharge Model Ordinance Language] - EPA's model ordinance language for municipalities to prohibit illicit discharges and connections | *[https://www.epa.gov/sites/production/files/2015-12/documents/modelillicit.pdf Illicit Discharge Model Ordinance Language] - EPA's model ordinance language for municipalities to prohibit illicit discharges and connections | ||
+ | *[https://www.epa.gov/sites/production/files/2015-11/documents/idde_manualwithappendices.pdf Illicit Discharge Detection and Elimination A Guidance Manual for Program Development and Technical Assessments] - EPA's manual on techniques to detect and correct discharges in municipal storm drains |
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.