NPDES Permit Requirements

The Lower Des Plaines Watershed Group was formed to help NPDES permittees meet certain requirements. In addition to effluent limits in wastewater permits, Illinois EPA requires certain education and outreach activities as part of the ILR-40 (MS4) Permit; the newly released Industrial Stormwater Permit ILR00 also includes new requirements.  LDWG is implementing and developing materials, events and training activities related to:



2021 Meeting Dates

March 25
May 27
July 22
September 23
November TBD

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10S404 Knoch Knolls Road
Naperville, IL 60565

Phone: 630-428-4500
Fax: 630-428-4599

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