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Mandated by Congress under the Clean Water Act, the NPDES stormwater Program is a comprehensive two-phased national program for addressing the non-agricultural sources of stormwater discharges which adversely affect the quality of our nation's waters. The program uses the National Pollutant Discharge Elimination System (NPDES) permitting mechanism to require the implementation of controls designed to prevent harmful pollutants from being washed by stormwater runoff into local water bodies.
Stormwater is collected from our streets and then flows into a separated system. This system goes untreated and flows into local waterways, carrying all collected pollution with it.