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Minnesota has a growing salty water problem that threatens its freshwater fish and other aquatic life. Chloride from both de-icing salt and water softener salt gets into lakes and streams, and…
The Snake River Watershed is located north of the Twin Cities in the St. Croix River Basin and encompasses 1,006 square miles in five counties: Aitkin, Kanabec, Mille Lacs, Pine, and Isanti.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
How to prepare recycling for the curb
Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
The Little Fork River Watershed covers nearly 1.2 million acres, the main stem flowing 160 miles through north-central St. Louis County and heading northwest into Koochiching County. It flows more northerly until it reaches its confluence with the Rainy River about 11 miles west of International Falls.
Each year, Minnesotans throw away more than 850,000 tons of recyclables, worth around $153 million. Here's how we're reducing those numbers in Greater Minnesota.
The Climate Smart Food Systems initiative, funded by the U.S. EPA’s Climate Pollution Reduction Grants program, positions Minnesota as a national model for transforming our food system from farm to freezer.
PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.
Three members of MN GreenCorps worked through the Minneapolis Public Schools' free meal box program to promote waste reduction and recycling.
Ready-to-run meteorological data suitable for AERMOD.
The MPCA has released Minnesota’s PFAS Blueprint — a strategic, coordinated approach developed by multiple agencies to protect families and communities from per- and polyfluoroalkyl substances (PFAS).
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.
Perchloroethylene or tetrachloroethylene (PCE or Perc) is chlorinated solvent used in a variety of processes as a solvent and degreaser. When released in the environment, some PCE will evaporate…
MPCA collects information about the sale and use of greenhouse gases with high global warming potential.
MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
Regulatory certainty is an incentive for municipalities that will employ biological nutrient removal in their wastewater treatment technology, and that are willing to accept a nitrogen limits in…
The Cedar River Watershed in Minnesota encompasses 454,029 acres in Mower, Freeborn, Dodge, and Steele counties. This watershed covers prime agricultural land with many streams and drainage ditches flowing into the river.
Agropur Inc., doing business as Le Sueur Cheese Company, land applied too much industrial byproduct, resulting in rates of nitrogen and phosphorus that exceeded the allowed limits by more than 10 percent. The violations occurred in 2022, near its cheese production facility in Le Sueur, Minnesota.