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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.
Air quality is expected to reach the red AQI category across southern Minnesota, which is unhealthy for everyone.The air quality alert issued by Minnesota Pollution…
Climate adaptation identifies strategies and actions that help human and natural systems cope with and become more resilient to the impacts of climate change.
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…
The Pomme de Terre River begins cool and clear in Otter Tail County, bordered by wooded hills and grassy meadows. It flows south through several lakes; as the river nears its mouth, it is bordered by eroding banks, becoming increasingly muddy before discharging into the Minnesota River at Marsh Lake.
The Minnesota Pollution Control Agency (MPCA)’s draft wastewater permit for the 3M facility at Cottage Grove adds new water quality protections for the Mississippi River and improves accountability through monitoring and reporting requirements. The draft permit is one of the most rigorous in state history and mandates the removal of certain per- and polyfluoroalkyl substances (PFAS) to levels below detection.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
St. Paul Brass manufactures brass, bronze, and aluminum castings in the Frogtown neighborhood of Saint Paul, an environmental justice area.
Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.
Frequently asked questions about SSTS certification and licensing.
The Wild Rice River begins its course at Mud Lake in Minnesota's Clearwater County, and flows largely to the west through Norman and Mahnomen counties.
The MPCA has adopted amended rules relating to when maintenance of a closed landfill should end.
Any facility that is engaged in a narrative activity or a primary SIC code, as listed in the Multi-Sector General Permit, needs to apply for industrial stormwater permit coverage or certify for No Exposure.
The MPCA studies Minnesota's solid waste composition and processes to inform policy recommendations, legislative proposals, education and outreach messages, and waste reduction efforts.
The Big Fork River Watershed covers more than 1.3 million acres that include some of the state’s most pristine wilderness. The river flows north 165 miles from Dora Lake (45 miles northeast of Bemidji in north-central Itasca County) to the Rainy River, which forms the Minnesota-Canada border.
The Minnesota Pollution Control Agency (MPCA) will host a public meeting to present information and hear comments on the environmental assessment worksheet (EAW) and feedlot permit for a proposed…
CAP provides financial and technical assistance to local governments to encourage investment in the proper management of solid waste.
Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…
Excess nitrate remains a long-term challenge to manage. In our lakes, rivers, and streams, it is toxic to fish and other aquatic life. In drinking water, it can pose a risk to human health,…
The MPCA is committed to delivering a pollution reduction program that benefits all Minnesotans and works diligently to incorporate their ideas and opinions into our projects and plans. To develop…