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  2. Great Lakes AOCs

Remediation and Restoration Projects for Kalamazoo River AOC

The on-going Kalamazoo River AOC remediation and restoration work is a collaboration of work implemented through the AOC program, Superfund Program, and Natural Resource Damages program.

Project TitleProject DescriptionDate CompletedTargeted BUI(s)
Remediation of Contaminated Sediment
Superfund is leading on-going efforts to address contaminated sediments throughout the AOC.
ongoing
  • Restrictions on Fish & Wildlife Consumption
  • Degradation of Fish & Wildlife Populations
  • Bird or Animal Deformities or Reproduction Problems
  • Degradation of Benthos
  • Restriction on Dredging Activities
  • Loss of Fish & Wildlife Habitat
Otsego Township Dam Removal and Habitat Restoration The remanent dam structures were removed. The river was rerouted back to its natural channel and reconnected to the floodplain.   2018
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat
Portage Creek Stream and Habitat Restoration Deteriorating cement walls were removed from the banks and the creek was reconnected to its natural floodplain.2013
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat
Plainwell Dam RemovalThe former powerhouse was removed and the river rerouted to its natural channel.2009
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat
Plainwell Spillway Removal and Stream/Habitat Restoration
The spillway will be removed. The river will be reconnected to its floodplain and high-gradient river channel habitat will be restored.
2023 (est.)
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat
Trowbridge Dam Removal, Stream/Habitat Restoration The remanent dam structures will be removed. The river will be reconnected to its floodplain and high-gradient river channel habitat will be restored.2024 (est.) 
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat
Plainwell #2 Removal of Dam Structures and Stream and Habitat Restoration The remanent dam structures will be removed. The river will be reconnected to its floodplain and high-gradient river channel habitat will be restored.2023 (est.) 
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat
Otsego City Dam Removal, Stream and Habitat Restoration The remanent dam structures will be removed. The river will be reconnected to its floodplain and high-gradient river channel habitat will be restored.2024 (est.) 
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat
Allegan City Dam Removal, Stream/Habitat RestorationThe remanent dam structures will be removed. The river will be reconnected to its floodplain and high-gradient river channel habitat will be restored.2025 (est.) 
  • Degradation of Fish & Wildlife Populations
  • Loss of Fish & Wildlife Habitat

Great Lakes AOCs

  • The Great Lakes
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  • Beneficial Use Impairments
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  • 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 June 30, 2025
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