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A new planning effort in northwest Minnesota takes a basin-wide approach to reducing the state's phosphorous contributions to the Red River, and to Canada's Lake Winnipeg.

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.

To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart

Canby Creek now flows into Del Clark Lake and protects Canby from flooding, while providing outdoor recreation and excellent water quality.

With all the talk about health these days, consider the health of the soil beneath your feet. Farmers in western Minnesota are doing just that, teaming up to improve soil health.

Minnesota state agencies and local governments are working together to protect drinking water supplies.

Mesabi Metallics is currently constructing a new taconite mine and taconite pellet production facility on the site of the former Butler Taconite Mining Company facility near Nashwauk.

Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.

Initial screening information for a contaminant of emerging concern, triclocarban.

Pollutant and runoff maps and data for major watersheds; watershed monitoring and assessment reports.

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…

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).

The TMDL is based on 62 impairments for turbidity and total suspended solids along the Minnesota River and its tributaries and in the Greater Blue Earth River basin.

Initial screening information for a contaminant of emerging concern, perfluorooctane sulfonate.

Governor Walz appointed Katrina Kessler as MPCA commissioner effective November 1. Kessler has been serving as an assistant commissioner.

Initial screening information for a contaminant of emerging concern, Perfluorohexane sulfonic acid.

The MPCA works with partners throughout Minnesota each year to gauge the health of waters and identify stressors that harm fish and other aquatic life.

Nitrogen management plans help operators of wastewater treatment facilities understand the inputs of nitrogen to their facilities and evaluate options that can reduce the amount of nitrogen discharged.

Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that do not break down over time. PFAS are sometimes called “forever chemicals” due to their extreme…

Northshore Mining Company has applied for updated wastewater and air quality permits for its Silver Bay taconite processing plant and Mile Post 7 tailings basin.