Skip to main content

The IDNR headquarters at 1 Natural Resources Way in Springfield are closed today, Friday, June 12, 2026, as cleanup and recovery continues from severe storms this week. The agency expects to reopen the building to the public on Monday, June 15, 2026.

Project T-11-P1

Project Title: Cache River Watershed Ecosystem Restoration, Union, Johnson, Alexander, and Pulaski Counties in Illinois

Community and/or Species Focus: Cache River

Goals/Objectives:

  1. Coordinate activities associated with the Upper Cache River/Main Ditch Study
  2. Coordinate completion of flood analysis
  3. Coordinate ecological research to support Cache River Basin Studies (CRBS)
  4. Implement activities of CRBS

Achievements:

  1. ​Raised awareness about potential instability in the system and gathered historical data on Karnak levee
  2. Main Ditch was mapped and incorporated into the hydrologic model
  3. Restoration alternatives for several components of CRBS were assessed and examined for potential impacts
  4. Supported several studies related to Buttonland Swamp

Post-Project Survey (if applicable): n/a

Project Period: June 2010 - July 2012

Principle Investigator(s): Tabitha Ayers (Shawnee RC & D Area, Inc.)

Final Report: T-11-P1