Illinois Wetlands regulations & environmental compliance analysis

Illinois Wetlands: What you need to know

Governing Law and Regulations

Illinois Interagency Wetland Policy Act, 20 Illinois Compiled Statutes (ILCS) 830/1 to 830/4-1

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Procedures for certifying dredge and fill activities requiring a Clean Water Act (CWA) Section 404 permit: 35 Illinois Administrative Code (IAC) 395.201 to 395.208

Illinois water quality standards for wetlands: 35 IAC 395.401 and 35 IAC 395.402

Water quality certification: 35 IAC 395.101 and 35 IAC 395.402

Dredge and fill information: 35 IAC 395.203

Material testing: 35 IAC 395.204 and 35 IAC 395.205

Public hearings: 35 IAC 395.206

Wetland mitigation: 20 ILCS 830/3-1 to 830/3-6

Impact evaluations: 20 ILCS 830/3-4

Regulatory Agencies

Illinois Environmental Protection Agency (IEPA) Division of Water Pollution Control

Illinois Department of Natural Resources (DNR) Office of Water Resources

U.S. Army Corps of Engineers (Corps) Chicago District Office St. Louis District Office Rock Island District Office Louisville District Office Memphis District Office

U.S. Environmental Protection Agency (EPA) Region 5

U.S. Department of Agriculture Natural Resources Conservation Service (NRCS)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Although Illinois has no wetlands permit program separate from federal regulations, state and municipal agencies play an important part in regulating wetlands. Federal, municipal (construction and zoning), and other state agencies should be contacted for information regarding any additional regulatory requirements. A Joint Application Form is filed with the Corps's district office, with copies to EPA Region 5, IEPA, and DNR, if applicable. A copy of the Joint ...

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