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Great Lakes AOCs

Remediation and Restoration Projects for the St. Louis River AOC

Project Title Project Description Date Completed Targeted BUI(s)
Barkers Island Beach Restoration Exit E. coli sources to the beach will be addressed by implementing green infrastructure to infiltrate storm water and improve water quality.  2019 (est.)
  • Beach Closings
Spirit Lake Remediation & Restoration Over 100 acres of estuary sediment will be remediated and 30 new acres of sheltered bay will be created.  2021 (est.)
  • Loss of Fish & Wildlife Habitat
  • Restriction on Fish & Wildlife Consumption
  • Beach Closings
  • Degradation of Benthos
Kingsbury Bay and Grassy Point Restoration This project will restore 240 acres of degraded fish and wildlife habitats through sediment reuse and habitat feature construction. 2020 (est.) 
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
  • Degradation of Benthos
Radio Tower Bay Restoration Thirty acres of shallow sheltered bay habitat, a significant habitat type for river productivity, was restored. 2015
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
  • Degradation of Benthos
Knowlton Creek Restoration Sediment transport and runoff were reduced to restore a cold-water stream habitat vital for fresh water fish. 2017
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
Chambers Grove Park Restoration

Critical spawning habitat for Lake Superior migratory fish species was restored and the shoreline was stabilized.

2015
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
Pickle Pond Remediation & Restoration Sediment remediation and habitat restoration will restore an important fish nursery and stopover site for migratory birds. 2020 (est.)
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
Wisconsin Point Dune Restoration  Exit Dunes, a vital habitat type for the area, will be restored and structures will be put in place for continued preservation.  2019 (est.)
  • Loss of Fish & Wildlife Habitat
Little Balsam Creek-Fish Passage Culverts Restoration Exit Culvert replacement, streambank stabilization, and instream structure enhancements will allow fish passage from Lake Superior, through the Estuary, and to the tributary headwaters. 2020
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
Wild Rice Restoration Exit The goal of this project is to restore a culturally and ecologically significant species, wild rice, to the AOC. On-going
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
Minnesota Slip, Slip 3, and Slip C Remediation A total of 154,000 cubic yards of contaminated sediment was remediated in three slips within the Port of Duluth-Superior. 2018
  • Restrictions on Dredging
21st Ave. W. and 40th Ave W. Restoration Routine harbor dredge material was beneficially used to enhance 680 acres of in-water habitat.  2020
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
Howards Bay Remediation Exit Remove legacy contaminants from the environment by dredging 75,000 cubic yards and placing a sand cover. 2020
  • Restrictions on Dredging
Piping Plover Habitat/Beach Nourishment Restoration  Exit Clean dredge material is being beneficially used to increase available nesting habitat within an area designated as a critical habitat for piping plover. 2019 (est.)
  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
Perch Lake Restoration 21 acres of “critically imperiled” Lake Superior Coastal Marsh habitat will be restored and connectivity to the estuary will be reestablished.

2020 (est.)

  • Loss of Fish & Wildlife Habitat
  • Degraded Fish & Wildlife Populations
  • Degradation of Benthos 
Site Characterization Wisconsin has identified several sites needing sediment sampling to determine future remediation actions. 2019 
  • Restrictions on Dredging