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Seventeen TMDL projects undertaken in the Lower Minnesota River Watershed, to address nutrient, turbidity, fecal coliform, chloride, and other impairments.
The MPCA strives to ensure all people in Minnesota have clean air, regardless of where they live or work.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for east central, north central, northwest, and northeast Minnesota. The alert takes effect 1 p.m. on Saturday, July 19, and runs until 9 a.m. on Monday, July 21. Air quality is expected to reach the red AQI category, which is unhealthy for everyone.
Sandblasted material from a construction site was deposited on a parking ramp next door.
Minnesota water infrastructure projects in St. Cloud and Pipestone garner EPA’s top awards for innovation, excellence in protecting environment, health.
The Red River of the North - Grand Marais Creek Watershed covers 298,264 acres and is part of the Red River Basin in northwestern Minnesota and southeastern North Dakota.
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…
Trichloroethylene (TCE) is a man-made chemical commonly found in wood finishes, glues and adhesives, paint or paint removers, and spot and metal cleaners. Exposure can have significant effects…
MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.
The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.
The Minnesota Pollution Control Agency (MPCA) has extended an air quality alert for southeast and northern Minnesota. The alert is now in effect until 4 p.m. on Tuesday, Aug. 12, for southeast Minnesota and until 11 p.m. on Wednesday, Aug. 13 for northern Minnesota. Fine particle levels are expected to reach the orange air quality index (AQI) category, a level considered unhealthy for sensitive groups.
This watershed is located in the southeastern tip of Minnesota, known for its scenic bluffs. More than 900,000 acres drain to the Mississippi River at Reno, Minn., but only 117,000 of those acres are in Minnesota.
Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.
In 2010, the MPCA began receiving public inquiries about projects to mine silica sand for use in hydraulic fracturing, or “fracking,” a drilling method used for natural gas and oil wells.
A brownfield assessment is a property investigation looking for potential contamination.
The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.
During the 2023 legislative session, Minnesota invested over $100 million to fund grant programs that support investment in climate resilience. Each initiative supports MPCA’s implementation of Minnesota’s Climate Action Framework.
Environmental rules and regulations are essential tools used to protect Minnesota’s environment, setting standards for environmental quality and limits on pollutants that can be discharged from facilities. The MPCA helps protect our environment by writing and enforcing these rules and regulations.
For related studies and Technical Advisory Team meeting notes, visit this document sharing site.
When people think of sources of air pollution, they typically think about buildings with big smokestacks like power plants and factories. Only about a quarter of the air pollution in Minnesota comes…