Isolated Wetlands Application Materials

Which application form do I need to submit to IDEM for Isolated Wetland Permits?

Impacts to any isolated wetland require that you submit the Application for Authorization to Discharge Dredged or Fill Material to Isolated Wetlands and/or Waters of the State application.

How do I obtain IDEM application forms?

There are several ways to obtain copies of the IDEM Application for Authorization to Discharge Dredged or Fill Material to Isolated Wetlands and/or Waters of the State:

  • Download the Application for Authorization to Discharge Dredged or Fill Materials to Isolated Wetlands and/or Waters of the State (available on the IDEM Forms page).
  • E-mail an IDEM project manager and request a copy via e-mail.
  • Contact the Office of Water Quality Wetlands Program by phone or mail and request a copy of the application.

How do I download an IDEM application form for Section 401 Water Quality Certification?

You can open the applications by clicking on them.

  • IDEM Application for Authorization to Discharge Dredged or Fill Material to Isolated Wetlands and/or Waters of the State (available on the IDEM Forms page)

Where do I get applications from the U.S. Army Corps of Engineers or the Indiana Department of Natural Resources?

There are three (3) districts of the U.S. Army Corps of Engineers located in Indiana. The Detroit District of the U.S. Army Corps of Engineers covers the northern portions of the state. The Chicago District of the U.S. Army Corps of Engineers covers a small portion of northwest Indiana primarily associated with the drainage area of Lake Michigan. The Louisville District of the U.S. Army Corps of Engineers covers the majority of the state except for northern counties covered by Chicago and Detroit.

Information and jurisdictional maps related to each U.S. Army Corps of Engineers District is available on the U.S. Army Corps of Engineers page.

Application forms from the Indiana Department of Natural Resources (IDNR) are available on the IDNR Division of Water Regulatory Permit Program website or you may apply directly to IDNR using their on-line application form.

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