Mercury
Mercury
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Areas of Concern: Development of St. Louis River AOC Remedial Targets for Mercury
The St. Louis River Area of Concern (SLRAOC) was designated in 1987 owing to the presence of a variety of legacy pollutants, including mercury. Elevated fish-mercury levels lead fish consumption advisories by both Minnesota and Wisconsin, which resulted in Beneficial Use Impairments (BUIs).
Toxic Substances
The USGS, federal agencies, and their partners will continue to further evaluate emerging contaminants that have the greatest potential to adversely impact Great Lakes fish and wildlife – impacts which may also result in ecological, economic and recreational consequences. Federal agencies will assess the extent to which identified risks may impede environmental quality and resource management...