National Pollution Discharge Elimination System (NPDES) is a permit program to control water pollution by regulating point sources that discharge pollutants into waters of the United States.
Polluted stormwater runoff is commonly transported through municipal separate storm sewer systems (MS4s), and then often discharged, untreated, into local water bodies. An MS4 is a conveyance or system of conveyances that is:
• owned by a state, city, town, village, or other public entity that discharges to waters of the U.S.,
• designed or used to collect or convey stormwater (e.g., storm drains, pipes, ditches),
• not a combined sewer, and
• not part of a sewage treatment plant, or publicly owned treatment works (POTW).
To prevent harmful pollutants from being washed or dumped into specific types of MS4s, operators are required to obtain an NPDES permit and develop a stormwater management program plan (SMPP). The Village of Rosemont is an MS4 operator under the IEPA’s General Permit for Discharges.
A copy of the 2016 IEPA Notice of Intent can be found here: NOI
A copy of the Village of Rosemont Year 13 Annual Report can be found here: Annual Report
Village of Rosemont Stormwater Management Program Plan: SMPP
Village of Rosemont Illicit Discharge Detection and Elimination Program: IDDE
Report a Concern
Contact the Village of Rosemont regarding problems with drainage features or illegal dumping into the storm sewer system.
You can report anonymously here.
Climate change description and link: Climate change refers to any significant change in the measures of climate lasting for an extended period of time. Climate change includes major changes in temperature, precipitation, or wind patterns, among other effects, that occur over several decades or longer. As a requirement of the Village’s general NPDES Permit ILR40, consideration of impacts and effects of climate change on storm water, storm water controls, flood management and BMP implementation. A link to the EPA’s climate change website is located here: https://www3.epa.gov/climatechange/.
Protecting Water Quality from Urban Runoff
Drainage Around Your Home
After the Storm - A Citizen's Guide to Managing Stormwater
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