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An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
Financial assistance for assessment and clean up of contaminated sites in Minnesota.
Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.
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 Rainy River - Rainy Lake Watershed covers 583,791 acres. Open water makes up 75,815 of those acres and wetlands occupy another 84,851 acres. The watershed is 64% in St. Louis County and 36% in Koochiching County. The northern boundary is part of the international border waters with Ontario, Canada.
Clean Water Partnership loans help local units of government fund projects that protect and restore water quality in lakes, streams, and groundwater aquifers.
Permitted waste facilities, waste utilization projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
Permitted waste facilities, waste projects, and waste haulers in Minnesota must submit regular reports to the MPCA.
Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.
Sustainable aviation fuel (SAF) is low-carbon synthetic fuel made from non-petroleum sources that is blended with traditional jet fuel to reduce greenhouse gas emissions from air transportation.
The Lac qui Parle Watershed covers approximately 1,100 square miles and drains parts of Lac qui Parle, Lincoln, and Yellow Medicine counties in Minnesota as well as parts of Grant, Deuel, and Brookings counties in South Dakota.
The Small Business Ombudsman is an independent entity responsible for reviewing environmental regulatory activities to ensure that they are fair, reasonable and appropriate for Minnesota's small businesses that have to comply with environmental regulations.
The MPCA has developed guidance on a number of topics to assist real estate developers, environmental engineers, remediation consultants, and others in addressing brownfields and contaminated sites.
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…
Coal tar-based sealants can no longer be sold or applied legally in Minnesota as of 2014.
Through a certificate of need process, MPCA is offering existing landfills the opportunity to expand their existing capacity.
Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.
Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
What consumers should know about new Minnesota laws prohibiting PFAS in consumer products and the MPCA’s efforts to minimize PFAS pollution by keeping it out of commonly used household products.