MPCA releases wild rice sulfate studies but defers conclusions on changing discharge standards

  • Article by: STEVE KARNOWSKI , Associated Press
  • Updated: January 7, 2014 - 3:29 PM

The Minnesota Pollution Control Agency said Tuesday it plans to make preliminary recommendations by the end of February on whether a state standard meant to protect wild rice from sulfate discharges should be changed based on a stack of reports and data just released from a major study.

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pondguyJan. 13, 14 3:53 PM

Did you know the EPA standard for drinking water is not to exceed 250 mg/L ? And the streams near the proposed mine currently have sulfate concentrations higher than old threshold (1940's research) of 10 mg/L.

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