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The MPCA enforces federal and state requirements for air quality permitting.
Mercury is a naturally occurring element that is toxic to humans and animals. At room temperature, mercury is a silvery, liquid metal, but it can also evaporate and become airborne. Mercury does not…
Canby Creek now flows into Del Clark Lake and protects Canby from flooding, while providing outdoor recreation and excellent water quality.
Governor Walz appointed Katrina Kessler as MPCA commissioner effective November 1. Kessler has been serving as an assistant commissioner.
The Southern Minnesota Beet Sugar Cooperative emitted higher levels of hydrogen sulfide than allowed from its Renville facility, resulting in a $1.15 million fine following an MPCA investigation.
Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?
The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.
What is a stormwater catch basin, and should I be worried about it?
Southeastern Minnesota is characterized by an unusual type of geography called karst, where the distinction between groundwater and surface water is blurry.
The Thief River begins its course in Marshall County at Thief Lake, flowing south/southwest to converge with the Red Lake River.
Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.
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.
Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.
Complying with the MS4 general permit
Image Air quality is expected to reach the orange AQI category for all of Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…
MPCA collects information about the sale and use of greenhouse gases with high global warming potential.
This permit aims to reduce phosphorus discharged by point sources to the Minnesota River Basin. This webpage contains links to the permit and its associated forms and fact sheets.
The Minnesota Pollution Control Agency (MPCA) is planning to add sites in New Hope, Saint Paul, and Rochester to the state's Permanent List of Priorities (PLP). Members of the public are invited to provide comments.
Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.
Following the 2024 legislative session, the MPCA was charged with appointing a 15-member task force to advise the agency on policy and program opportunities that would increase the recovery of critical materials from end-of-life products.