Area of Concerns (AoCs)

A Summary of the Status of Contaminated Sediment Management Actions in Great Lakes Areas of Concern (1997)*

Decision Made-Action Taken		Decision Made-Natural Recovery Underway		Decision Made-Action Pending
Manistique River Lower Menominee River Sheboygan River Milwaukee Estuary Waukegan Harbor Grand Calumet River/ Ind. Harbor Ship Canal + Collingwood Harbour Rouge River River Raisin Black River Hamilton Harbour St. Marys River St. Clair River Detroit River Niagara River St. Lawrence River		Peninsula Harbour Jackfish Bay Nipigon Bay Torch Lake Deer Lake Severn Sound Spanish Harbour Presque Isle Bay Wheatley Harbour Bay of Quinte Metro Toronto and Region		Thunder Bay St. Louis River/Bay Manistique River Grand Calumet River/ Ind.Harbor Ship Canal Saginaw River/Bay Maumee River Ashtabula River Hamilton Harbour
Under Assessment-Decision Required

Thunder Bay	Kalamazoo River		Black River		Metro Toronto and Region
St. Louis River/Bay	Muskegon Lake		Cuyahoga River		Hamilton Harbour
Lower Menominee River	White Lake		Buffalo River		St. Marys River
Lower Green Bay and Fox River	Saginaw River/Bay		Eighteen Mile Creek		St. Clair River
Sheboygan River	Clinton River		Rochester Embayment		Detroit River
Milwaukee Estuary	Rouge River		Oswego River		Niagara River
Waukegan Harbor	River Raisin		Bay of Quinte		St. Lawrence River
Grand Calumet River/Indiana	Maumee River		Port Hope Harbour

+ indicates the AoC is delisted