KEEWATIN — As an Iron Range taconite mine appeals a decision by state regulators denying its request to allow sulfate levels in a downstream lake to remain nearly eight times higher than the standard ...
DULUTH — The Minnesota Court of Appeals upheld a state agency's decision to deny an iron ore mine and processing plant's request to allow a downstream lake to have sulfate pollution nearly eight times ...
The Minnesota Court of Appeals upheld a state agency’s decision to deny an iron ore mine and processing plant’s request to allow a downstream lake to have sulfate pollution nearly eight times higher ...
Sulfate contamination of water arises from mining effluents, flue-gas desulphurisation and industrial wastewater, posing risks to aquatic life and infrastructure through scaling and eutrophication.
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