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POET Biorefining-Glenville LLC violated several air permit conditions between 2018 and 2023 at its ethanol production facility in Albert Lea, Minn. The facility emitting more particulate matter and volatile organic compounds than allowed by permit over the course of five years.
MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024
The Minnesota Pollution Control Agency has issued an air quality alert for west central, north central, northwest, and central Minnesota. The alert takes effect at 6 a.m. on Saturday, May 31 and runs until 6 p.m. on Sunday, June 1. Air quality is expected to reach the red AQI category which is unhealthy for everyone.
The Minnesota Pollution Control Agency (MPCA) has extended an air quality alert for southeast and northern Minnesota. The alert is now in effect until 4 p.m. on Tuesday, Aug. 12, for southeast Minnesota and until 11 p.m. on Wednesday, Aug. 13 for northern Minnesota. Fine particle levels are expected to reach the orange air quality index (AQI) category, a level considered unhealthy for sensitive groups.
DENCO II LLC failed a stack test in April, 2024, that showed that the facility exceeded its permit limit for particulate matter by more than 170%.
To obtain coverage under this permit, the owner(s) must document compliance with the criteria for coverage under this general permit, prior to disposal of the uncontaminated concrete.
The MPCA provides workshops and conferences to help solid waste landfill operators get certified and stay up to date.
Central Bi-Products emitted higher levels of hydrogen sulfide than is allowed, causing odor complaints in the community of Long Prairie and resulting in a $3 million fine. Central Bi-Products has agreed to spend a minimum of $4.4 million on a supplemental environmental project that will improve its wastewater treatment.
Heartland Corn Products failed emission stack tests in November 2021 and February 2022 for volatile organic compounds and particulates at its ethanol production facility in Winthrop, Minn.
Failed emissions performance stack tests on two boilers in the fall of 2023 at its sugar beet processing facility in Moorhead, Minnesota.
Documents and forms related to the identification and management of hazardous waste in Minnesota.
Particulate matter (PM) refers to various air particles, including dust, soot, smoke, and liquid droplets that range in size from less than 0.1 microns in diameter (smaller than a single bacterium)…
Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.
MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.
From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource this spring confirms that the source of the elevated lead levels has been addressed.
Volatile organic compounds (VOCs) are a group of chemicals that can vaporize into air. VOCs are in thousands of daily use products, including paint, varnish, wax, and various cleaning, degreasing,…
The MPCA issued a new air quality permit for this manufacturing facility in White Bear Township.
Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.
Nitrogen dioxide (NO2) is one of a group of highly reactive gases known as nitrogen oxides. NO2 reacts with other chemicals in the air to form other pollutants, such as ozone, particulate matter,…
Guidance for small businesses on reporting air emissions.