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The MPCA offers environmental audits to help businesses and organizations examine how well they are complying with environmental regulations, and correct any problems that are identified.
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.
Inadequate stormwater protections at a Saint Paul project have netted fines for the Minnesota Department of Transportation (MnDOT) and Bituminous Roadways.
Al-Corn Clean Fuel, LLC, an ethanol plant in Dodge County, paid $40,427 in fines for air permit violations.
Lange Agricultural Systems paid $12,511 for violations of both its hazardous waste and industrial wastewater permits.
Failed emissions performance stack tests on two boilers in the fall of 2023 at its sugar beet processing facility in Moorhead, Minnesota.
The MPCA is authorized to develop numeric water quality criteria that apply specifically to a water body or region where the pollutant is found, using data from that water body or region.
This committee included a broad range of stakeholders and was charged with providing perspective, input, and advice to the commissioner on MPCA's water fees.
Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.
Complying with the MS4 general permit
In addition to the vessel requirements in the EPA VGP and Minnesota’s ballast water general permit, vessels must follow the requirements in Minnesota Statutes and Minnesota’s 401 certification of the VGP.
Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.
The Air We Breathe report looks at public health and air quality data to gauge how air pollution is affecting our health in Minnesota.
Environmental information and resources for the aggregate industry.
An MPCA investigation found violations related to construction of a home on Schwappauff Lake, near the town of Greenfield in Hennepin County.
Ely Community Resources was recognized for it programs that engage young people in natural resource education and conservation.
Volunteer water monitors collect valuable data used by agencies and organizations across the state to protect and manage Minnesota’s waters.
The MPCA is currently recruiting volunteers to measure water clarity in numerous lakes and streams across the state and then report the data back to the agency.
Located in south-central Minnesota, the Le Sueur River flows 111 miles through a gently rolling landscape, most of it farmland, until it cuts down through high bluffs to the Blue Earth River.
Tailings basin piping leaked wastewater and about 11,500 cubic feet of tailings materials over nearly half an acre, including a nearby wetland in May 2023 due to inadequate operation and maintenance of the tailings basin pipeline at the company’s facility in Virginia, Minn.