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Ottawa River

​Maumee Area of Concern

The sediment cleanup of the Ottawa River is complete!

The Maumee River watershed has served the industrial and municipal needs of Toledo's citizens for almost two centuries. The Ottawa River has long been an industrial hub for car manufacturing and other industrial uses. Because waste disposal was unregulated for much of our nation's past, industrial pollutants were discharged directly into the water. Fortunately a Great Lakes Legacy Act (GLLA) project in 2010 addressed 251,000 cubic yards of contaminated sediment, removing significant amounts of pollution from the Ottawa River. The GLLA project was funded by EPA and the Ottawa River Group, a voluntary partnership among the City of Toledo and seven industries. The cleanup is part of a larger effort to revitalize the Maumee River Area of Concern.

Location

The project area extended down 5.6 miles of the Ottawa River, ending at the confluence with Maumee Bay.​ The Ottawa River is located in the Maumee River Area of Concern in Toledo, OH.
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Cleanup Process

Sediment remediated: 251,200 cubic yards
Contaminants:  PCBs, PAHs, and heavy metals
Method: Hydraulic dredging
When: 2010
Partners: U. S. Environmental Protection Agency and the Ottawa River Partnership (seven industries and the City of Toledo)
Cost: $47.2 million

Long-term Benefits

The cleanup is removing contamination from the food chain, lowering exposure for those who eat fish from the Great Lakes and helping to bring back fish populations in the Ottawa River.

More Information

Documents
Ottawa River project posters (PDF, 6 p, 21.8MB) 2010
Stakeholders
Maumee Remedial Action Plan Committee
Partners for Clean Streams
City of Toledo
Allied Waste
Chrysler LLC
DuPont
Gencorp
Illinois Tool Works
Honeywell International, Inc.
United Technologies
Ohio Environmental Protection Agency

U. S. Environmental Protection Agency
U. S. Fish and Wildlife Service
IISG and GLR logos
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Contact Us

Great Lakes Mud c/o Illinois-Indiana Sea Grant
Purdue University
195 Marsteller Street
West Lafayette, IN 47907-2033

​Email: abelle@illinois.edu
© 2019 Illinois-Indiana Sea Grant, All Rights Reserved.
Illinois-Indiana Sea Grant strives to ensure equal access and an
​inclusive environment.
Website last updated December 14, 2022
  • Home
  • Pollution
    • Dioxins
    • Heavy Metals
    • NAPL
    • Oil and Grease
    • PAHs
    • PCBs
    • TBT
    • TPH
  • Partnership
    • Great Lakes Legacy Act
    • Cost-Sharing
  • Cleanup Process
    • Project Stages
    • Dredging
    • Dry Excavation
    • Caps and Covers
    • Habitat Restoration
  • Waterbody
    • Indiana >
      • East Branch - Grand Calumet River AOC
      • East Branch Phase II - Grand Calumet River AOC
      • East Chicago Waterways - Grand Calumet River AOC
      • Indiana Harbor Canal TSCA - Grand Calumet River AOC
      • Lake George Canal Middle & East - Grand Calumet River AOC
      • Roxana Marsh - Grand Calumet River AOC
      • Stateline - Grand Calumet River AOC
      • West Branch - Grand Calumet River AOC
    • Michigan >
      • Black Lagoon - Detroit River AOC
      • Centennial Park - Detroit River AOC
      • Division Street Outfall - Muskegon Lake AOC
      • Former MGP Site - St. Marys River AOC
      • Lower Rouge River Old Channel - Rouge River AOC
      • River Raisin - River Raisin AOC
      • Riverwalk - Detroit River AOC
      • Ruddiman Creek - Muskegon Lake AOC
      • Ryerson Creek Outfall - Muskegon Lake AOC
      • Tannery Bay - St. Marys River AOC
      • Torch Lake - Torch Lake AOC
      • Upper Trenton Channel - Detroit River AOC
      • Zephyr Site - Muskegon Lake AOC
    • Minnesota >
      • Azcon/DSPA Slip - St. Louis River AOC
      • Minnesota Slip - St. Louis River AOC
      • Munger Landing - St. Louis River AOC
      • Scanlon Reservoir - St. Louis River AOC
      • Slip 3 and Slip C - St. Louis River AOC
      • SLR Interlake/Duluth Tar - St. Louis River AOC
      • Spirit Lake Site - St. Louis River AOC
    • New York >
      • Buffalo River - Buffalo River AOC
    • Ohio >
      • Ashtabula River - Ashtabula River AOC
      • Cuyahoga River Old Channel - Cuyahoga River AOC
      • Gorge Dam - Cuyahoga River AOC
      • Jack's Marine North Slip - Ashtabula River AOC
      • Ottawa River - Maumee AOC
      • Otter Creek - Maumee AOC
    • Wisconsin >
      • Greater Milwaukee Estuary - Milwaukee Estuary AOC
      • Hog Island Inlet - St. Louis River AOC
      • Howards Bay - St. Louis River AOC
      • Kinnickinnic River - Milwaukee Estuary AOC
      • Lincoln Park - Milwaukee Estuary AOC
      • Sheboygan River - Sheboygan River AOC
      • Tyco - Menominee River AOC
    • More coming soon...
  • Education
    • Grade School Curriculum
    • High School Curriculum
    • More Resources >
      • Indiana
      • Michigan
      • Minnesota
      • Ohio
      • Wisconsin
  • Contact