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Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…
The MPCA looked to award approximately $1.4 million for locomotive repower/replacement grants in Minnesota.
The Cottonwood River is located in southwestern Minnesota in the counties of Brown, Cottonwood, Lyon, Murray, and Redwood. It begins near Balaton in southwest Lyon County.
The Minnesota Pollution Control Agency (MPCA) is expanding the ways we learn and understand the effects of pollution on communities and the environment by incorporating lived experiences into our air…
Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.
AccessibilityThe Minnesota Pollution Control Agency is committed to accessibility on its website. As part of that commitment, the MPCA makes every effort to comply with the State of Minnesota…
The Clearwater River Watershed drains an area of 886,600 acres in the Red River of the North basin. The river flows to the northwest and southwest, eventually emptying into Red Lake River near Red Lake Falls.
Green and safer product chemistry is formulating or designing a new product (or reformulating an existing one) to reduce harmful environmental, workplace, human health, and energy use effects over the product's entire life cycle.
Guidance on NPDES/SDS construction stormwater requirements
The Minnesota Pollution Control Agency has issued an air quality alert for northeast Minnesota. The alert takes effect at 8 a.m. on Thursday, May 29, and runs until 6 p.m. on Friday, May 30. The affected area includes Two Harbors, Hibbing, Ely, Duluth, and the Tribal Nations of Grand Portage and Fond du Lac. Air quality is expected to reach the red AQI category which is unhealthy for everyone.
The Nemadji River Watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.
The Mississippi River - Twin Cities Watershed is 656,990 acres and lies almost entirely in the North Central Hardwoods Forest ecoregion in the Mississippi River Basin. The watershed contains 1,320 stream miles and 380 lakes. More than 1.8 million people live in this watershed.
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.
The health of Minnesota's large rivers is a reflection of how well we are protecting overall water quality.
U.S. Steel Corp. operates a taconite mine and processing plant known as Keetac north of Keewatin, where it produces taconite pellets for use at iron and steel mills.
MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.
One of the most basic forms of air pollution, haze reduces visibility in many cities and scenic areas within the United States. Haze-causing pollutants come from a variety of sources, both natural and man-made, including motor vehicles, electricity generation, industrial facilities, agriculture, and wildfires.
Ask the MPCA features questions Minnesotans have asked us, on the issues the agency works on, from waste disposal, water and air quality, and chemicals in products to recycling and reuse,…
Chloride is a problem for wastewater facilities and stormwater permittees.
Stormwater runoff is a leading source of water pollution, and the state general permit is designed to reduce the amount of sediment and other pollutants entering state waters.