Wetlands in Illinois
See mapped wetlands and who to ask before filling or building near one.
Illinois drainage districts and drainage commissioners
Explains that Illinois drainage districts are local bodies that build and maintain drains and levees, are headed by drainage commissioners, and tax the land inside the district. Commissioners file annual financial reports with the county or circuit court, and the State Archives describes the district records that survive.
6 more options
- Illinois Environmental Protection AgencyIllinois's environmental agency: water quality, wetlands, waste and the permits that go with them.
Statewide What is this?
- Illinois Drainage CodeThe Illinois law that governs drainage districts, drainage commissioners and the ditches, tile and levees they maintain, with its articles listed for browsing.
Statewide What is this?
- NRCS wetland determinations and conservation complianceFarm wetland rules for USDA program participants. Before you drain, fill or clear a wet area in a farm field, ask NRCS at your local USDA Service Center for a …
National What is this?
- Conservation Reserve Program (CRP) sign-up, USDA Farm Service AgencyHow the Conservation Reserve Program works, which sign-ups are open and what it pays. You enroll land in CRP at your county Farm Service Agency office at the l…
National What is this?
- NRCS highly erodible land determinationsHow NRCS decides whether a farm field is highly erodible land, which affects USDA program eligibility and conservation plans. Requests go to NRCS at your local…
National What is this?
- USFWS Wetlands MapperNational Wetlands Inventory map from USFWS. Click any spot to see mapped wetland type. Some states publish a newer inventory of their own, so check the state w…
National What is this?
About wetlands
Wetland maps help identify areas that may need further review before filling, draining, or building. Use the relevant state and local environmental offices for permit guidance; a mapped boundary is a screening reference.