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Lake Superior contaminants face year of scrutiny
In February, the Minnesota Pollution Control Agency will release a blueprint on how it plans to begin to deal with forever chemicals. 7:00 am, Jan. 27, 2021 ×
The Lester River empties into Lake Superior earlier this month. The Lester River and other streams can carry contaminants like PFAS from runoff to the lake. (Steve Kuchera / skuchera@duluthnews.com)
In Lake Superior, the sediment at the bottom of its watery depths tells a story.
It’s where things settle and accumulate, including contaminants. In its way, the sediment serves as a historical record of the lake.
In core samples, research scientists can see when concentrations of, say, mercury were highest, and how now-much-lower concentrations at the top layers of the sample means the contaminant is no longer being so heavily put into the lake.
Fox21Online
January 21, 2021
DULUTH, Minn. – It’s the second day in office for President Biden and he’s already making an impact signing numerous executive orders in his first 48 hours. Soon he could have his eyes set on the great lakes.
Northland environmental experts hope addressing climate change remains one of President Biden’s top priorities, they would like to see several regulations return that were scaled back by the previous administration.
One change made under President Trump’s leadership was redefining the “water of the United States” that included rolling back protection in areas like the Great Lakes.
Environmentalists would like to see President Biden reinstate stricter policies with a focus on water level regulation.