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PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.
The Minnesota State Implementation Plan (SIP) is focused on the six criteria air pollutants regulated by national ambient air quality standards (NAAQS): ground-level ozone, fine particles, lead, nitrogen dioxide, carbon monoxide, and sulfur dioxide.
Failed emissions performance stack tests on two boilers in the fall of 2023 at its sugar beet processing facility in Moorhead, Minnesota.
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.
Inadequate stormwater protections at a Saint Paul project have netted fines for the Minnesota Department of Transportation (MnDOT) and Bituminous Roadways.
Hutchinson Utilities exceeded its permit limit for particulate matter during an air quality performance test. High levels of particulates are known to cause environmental harm and health problems.
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.
The MPCA has withdrawn proposed rules relating to waste treated seeds.
When people think of sources of air pollution, they typically think about buildings with big smokestacks like power plants and factories. Only about a quarter of the air pollution in Minnesota comes…
MPCA investigation determined that construction sediment was discharged into the Blue Earth River and a county ditch.
The MPCA monitors water quality in rivers and streams is several different ways around the state.
In October 2023, New Ulm Steel failed a noise test at its facility. New Ulm Steel was also fined for dust escaping the facility and settling on a public road.
Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.
Groundwater and drinking water in the east Twin Cities metro area is contaminated with PFAS due to 3M's disposal practices at four sites in the area.
Failed to properly operate its wastewater treatment facility for the River Park housing development in Oronoco, Minnesota, from Aug.-Dec 2023 before connecting to the newly constructed Oronoco wastewater treatment plant.
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.
Farmers Grain, LLC, a grain elevator in Thief River Falls, paid $18,120 in fines for pumping contaminated water from their property into the city of Thief River Falls stormwater system.
MPCA investigation shows the city violated its wastewater permit in Freeborn County from April 2021 to April 2023.