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  2. Great Lakes AOCs

Documents on Restoring the Grand Calumet River AOC

Documents for Grand Calumet River AOC.

Learn more about Remedial Action Plans for Great Lakes AOCs.

BUI Removals

  • Restrictions on Drinking Water Consumption—Taste and Odor Problems (pdf) (543 KB)
  • Added Costs to Industry and Agriculture (pdf) (650 KB)
  • Stage 2.5 RAP (pdf) (11.2 MB) , 1998 - Summarizes the BUIs in the Grand Calumet River AOC and identifies management actions and monitoring needed to achieve restoration. 

Documents Related to the West Branch Reaches 3, 4, and 5 Legacy Act Cleanup

  • Grand Calumet River Legacy Act Cleanup gets Underway (pdf) (574 KB)
  • Grand Calumet River Legacy Act Targets (pdf) (571 KB)

Documents Related to the Indiana Harbor Canal Feasibility Study

  • Response to Comments
  • TSCA Risk-Based Approval
  • Indiana Harbor Canal Feasibility Study

Great Lakes AOCs

  • The Great Lakes
  • Great Lakes AOCs Home
  • AOC List, Map and Contacts
  • Beneficial Use Impairments
  • Remedial Action Plans
  • Great Lakes Legacy Act
Contact Us About Great Lakes AOCs
Contact Us About Great Lakes AOCs to ask a question, provide feedback, or report a problem.
Last updated on March 18, 2026
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