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SkyWater Technology violated federal laws and Minnesota rules, operating a semiconductor plant without an appropriate air permit in Bloomington, Minnesota.
The MPCA fined Heron Lake BioEnergy $18,174 for failing to properly maintain safety controls and inspect storage tanks on its property.
Waterways in the northeastern part of the state are generally in better condition than those in the southern, central, and western regions.
MPCA investigation in May 2024 found violations related to stormwater at three facilities.
MPCA investigation confirms discharges sediment-laden water into the Long Prairie River, in addition to other violations, during construction of CSAH 56 & 38.
Young Life Castaway Club violated several wastewater regulations, mainly modifying wastewater treatment systems without approval, between 2019 and 2022 at its youth and family camp on Pelican Lake, just south of Detroit Lakes. These violations carry serious risks of harm to the environment.
MPCA investigation found that Rainy Lake Oil failed to repair a pipe that was leaking diesel fuel underground for more than four months in 2024.
Carver County and Valley Paving Inc. failed to properly install and maintain erosion and sediment controls during a highway safety improvement project in the fall 2022 and spring 2023 near Watertown, Minn. This caused significant erosion and sediment to impact several area surface waters.
An MPCA investigation determined that General Mills violated state rule at its oat processing facility in Fridley on several occasions from 2019 through 2023.
The MPCA fined Regions Hospital $100,000 for improperly disposing of infectious waste in its mixed municipal solid waste in 2024.
Unauthorized releases of untreated wastewater in October 2024 and January and February 2025, as well as failure to notify the Minnesota Duty Officer in a timely manner.
Green Plains Fairmont, LLC paid $14,175 for an ethanol spill that lasted four days and contaminated groundwater.
Failed emissions performance stack tests on two boilers in the fall of 2023 at its sugar beet processing facility in Moorhead, Minnesota.
Rundown of all the PFAS legislative wins from the most recent legislative session.
A project to address excess sediment and turbidity in the Mississippi River, from Fort Snelling at St. Paul to upper Lake Pepin at Red Wing, based on a site-specific standard developed by the MPCA and Wisconsin Department of Natural Resources.
Grant money was available to regulated air pollution emitting facilities for improvements that reduce emissions for environmental justice areas in Minnesota.
Sugar beet processing facility emitted higher levels of hydrogen sulfide and particulates than its permit allows between 2020 and 2022. The Polk-Norman-Mahnomen Community Health Board will receive 40% of the $350,000 penalty according to a new Minnesota statute enacted in 2023.
Company failed to install and upgrade equipment compatible with the fuels it was storing at seven of its convenience stores in Freeborn and Mower counties.
Pretreatment by commercial facilities and other non-domestic wastewater sources removes harmful pollutants before the wastewater is discharged to a municipal sewer system. The U.S. EPA has delegated MPCA the authority to approve pretreatment programs at the local level and oversee statewide pretreatment activities.
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.