US EditionAcross Northern Minnesota’s Pristine Lake Country, Mercury Contamination Is Growing
NORTHERN MINNESOTA, AUG 5 – Mercury contamination in fish has steadily increased for 30 years due to natural and industrial sources, with 80% of sampled walleye and northern pike exceeding safe consumption levels.
- Scientists reported recently that fish sampled near Voyageurs National Park had levels 3 to 7 times the safety threshold, linking mercury accumulation to invasive species impacts.
- In Northern Minnesota’s wetlands, microbial processes foster methylmercury formation as anaerobic peatlands convert inorganic mercury, promoting toxin buildup.
- Sampling showed in Basswood Lake near Ely, 80% of sampled walleye and northern pike exceeded safe mercury levels, while Crane Lake fish recently had levels 3 to 7 times the safety threshold.
- In response to rising mercury, fish consumption advisories target vulnerable groups like children and pregnant women.
- Developing removal techniques, University of Minnesota researchers study methods to address mercury contamination, emphasizing the need for enhanced monitoring and mitigation strategies.
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Mercury contamination growing in northern Minnesota waters
Mercury contamination is growing in northern Minnesota’s lakes, MPR News says. They report: “Hundreds of lakes across the North Woods are contaminated with mercury, including those in protected areas like the Boundary Waters… In the Boundary Waters, more than 100 lakes are considered impaired because of mercury levels that lead to limits on fish consumption.” The City of Minneapolis has boosted protections for formerly incarcerated people, accor…
Duluth News Tribune+16 Reposted by 16 other sources
Across northern Minnesota’s pristine lake country, mercury contamination is growing
In the Boundary Waters, more than 100 lakes are considered impaired because of mercury levels that lead to limits on fish consumption.
·Cherokee County, United States
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Total News Sources19
Leaning Left1Leaning Right8Center6Last UpdatedBias Distribution53% Right
Bias Distribution
- 53% of the sources lean Right
53% Right
C 40%
R 53%
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