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POET Biorefining Fined by Minnesota Pollution Control Agency

Ethanol facility in Glenville, Minnesota, exceeds stormwater discharge limits, fails sampling requirements over three-year period

According to a Minnesota Pollution Control Agency (MPCA) enforcement investigation, POET Biorefining LLC, in Glenville, MN, exceeded its permitted stormwater discharge limits, including total suspended solids and carbonaceous biochemical oxygen demand (CBOD), the measurement of dissolved oxygen depletion in wastewater released into a body of water.

Other violations included missing 10% of required sampling collection and reporting between March 2019 and March 2022, submitting monthly and annual reports late, missing flow meter calibrations and missing stormwater inspections.

In addition to paying a $12,029 civil penalty to the MPCA, POET Biorefining developed and implemented revised operating plans to ensure similar violations would not occur in the future.

POET is based in Sioux Falls, SD.

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