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ST. PAUL — One of POET's Minnesota ethanol plants has been fined by the state because of pollution violations.
According to a Minnesota Pollution Control Agency enforcement investigation, POET Biorefining LLC, in Glenville, Minnesota, has been fined $12,029.
The agency said the ethanol plant exceeded its permitted stormwater discharge limits, including total suspended solids, 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 penalty, POET Biorefining changed its operating plans to ensure similar violations would not occur again.
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The MPCA announced the fine July 8.
POET is based in Sioux Falls, South Dakota, and is the world's largest producer of biofuels.
