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Failed emissions performance stack tests on two boilers in the fall of 2023 at its sugar beet processing facility in Moorhead, Minnesota.

MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.

Agropur Inc., doing business as Le Sueur Cheese Company, land applied too much industrial byproduct, resulting in rates of nitrogen and phosphorus that exceeded the allowed limits by more than 10 percent. The violations occurred in 2022, near its cheese production facility in Le Sueur, Minnesota.

MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.

MPCA investigation shows the city violated its wastewater permit in Freeborn County from April 2021 to April 2023.

An MPCA investigation found that Benson Municipal Utilities failed to conduct required carbon monoxide tests within their permit deadline for their five generators providing emergency power services to the city.

TEAM Industries, with machining operations in Audubon, Bagley, Cambridge, Detroit Lakes, and Park Rapids, paid $80,000 in fines for air, hazardous waste, and industrial stormwater violations.

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.

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.

Alliance Building Corporation failed to prevent liquid washout of waste during construction at the Sleepy Eye Apartments.

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.

The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.

Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

SSTS staff contact information and areas of responsibility.

Any facility that emits air pollutants above certain levels is required to have an air quality permit.

Septic tank installation fees and system abandonment

MPCA keeps its public data easily accessible for convenient use.

Rundown of all the PFAS legislative wins from the most recent legislative session.

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.

Training resources for feedlot officers in Minnesota.