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The Minnesota Pollution Control Agency (MPCA) today announced a new initiative to monitor water quality throughout the entire Mississippi River within Minnesota’s borders for the first time in a single year.
The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.
MPCA seeks public comment on a proposed air permit for the U.S. Steel Keetac mining facility in Keewatin, Minn.
MPCA municipal wastewater permit staff
Robyn Dwight is the 2024 winner of the Community Conservationist Award given by the Minnesota Association of Soil and Water Conservation Districts and MPCA. She helped expand Keep It Clean, which keeps garbage off lake ice.
Image Air quality is expected to reach the orange AQI category, which is unhealthy for sensitive groups, in southern, central, and western Minnesota…
Kathy Wagner, recipient of the 2025 Community Conservationist Award from the Minnesota Pollution Control Agency (MPCA) and Minnesota Association of Soil and Water Conservation Districts (MASWCD), discusses her personal conservation work and local environmental advocacy.
State agencies, counties, municipalities, nonprofit organizations, and many others are engaged in protecting Minnesota lakes.
Image Air quality is expected to reach the orange AQI category in western and central Minnesota, which is unhealthy for sensitive groups.The Minnesota…
Image Air quality is expected to reach the orange AQI category for much of Minnesota, which is unhealthy for sensitive groupsThe Minnesota Pollution…
Intense storms of late spring can wash soil and other pollutants into rivers. Producers can use several techniques to protect their soil and water quality.
Sandy and Jay Boss Febbo shared their story as part of We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.
The Mississippi River - Winona Watershed covers 419,200 acres in the southeast Minnesota counties of Wabasha, Winona, and Olmsted. A majority of the watershed is cropland, with forest and grassland covering large portions as well.
The Minnesota State Implementation Plan (SIP) is focused on the six criteria air pollutants regulated by national ambient air quality standards (NAAQS): ground-level ozone, fine particles, lead, nitrogen dioxide, carbon monoxide, and sulfur dioxide.
Use these tools to help educate the public and boost participation in your household hazardous waste program.
U.S. Steel Corp. operates the Minntac Taconite processing facility near the city of Mountain Iron, where it produces taconite pellets that are shipped for use at steel mills. U.S. Steel has applied for a reissued air permit so it can replace existing emissions controls in its pellet plant with cartridge filters.
The health of Minnesota's large rivers is a reflection of how well we are protecting overall water quality.
In karst landscapes, the distinction between groundwater and surface water is blurry.
Every two years, MPCA creates a list of impaired waters in the state that do not meet water quality standards.
MPCA's fish sampling process and why we do it