About the St. Louis River and Bay AOC
The St. Louis River became an Area of Concern on the Great Lakes under the Great Lakes Water Quality Agreement of 1987.
- The Interlake and U.S. Steel Superfund sites
- Newton Creek
- Hog Island Inlet
Sources of Pollution
- historical discharges
- Superfund sites
- high levels of contamination in river sediments
- the bay receiving wastewater discharge from the local sanitation facility
- landfill sites and other point-source dischargers have also contributed to the contamination
Beneficial Use Impairments
- Restrictions on fish and wildlife consumption
- Excessive loading of sediment and nutrients
- Degradation of fish and wildlife populations
- Beach closings
- Fish tumors or other deformities
- Degradation of aesthetics - REMOVED 2014
- Degradation of benthos
- Loss of fish and wildlife habitat
- Delisting targets
In 1987, the St. Louis River and Bay was declared an Area of Concern and in 1992 a Remedial Action Plan Stage I document was completed.
The Corps offers planning & technical assistance and contract management to the Minnesota Pollution Control Agency (MPCA) to assist in their effort to delist their beneficial use impairments in the St. Louis River and Bay AOC.
The U.S. Fish and Wildlife Service’s Environmental Contaminants program at the Twin Cities Ecological Services Field Office has been an active partner within the lower the St. Louis River conservation community for more than 13 years, assisting with fixing contaminated sediments, investigation of chemical effects, as well as a variety of other fish and wildlife habitat projects.
The following links exit the site Exit
In 2005, a survey of the St. Louis River was completed through a collaborative effort between Fond du Lac’s Resource Management Division, the 1854 Treaty Authority, and Minnesota DNR Fisheries.
In response to citizen demands to clean up the St. Louis River, the Minnesota Legislature created the Western Lake Superior Sanitary District in 1971 to improve and protect the waters of the St. Louis River and its tributaries. In 1974, additional legislation was passed, giving WLSSD the added responsibility of solid waste management.
- pollution prevention,
- stopping aquatic invaders,
- boating safety,
- commercial shipping.