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The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
New reports from the MPCA highlight restoration investments and improved water quality while calling for continued work to address persistent challenges in southeastern Minnesota.
Air quality is expected to reach the orange AQI category in northeast Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution Control Agency (MPCA…
Image Air quality is expected to reach the orange AQI category in western and central Minnesota, which is unhealthy for sensitive groups.The Minnesota…
MPCA guidance on petroleum site investigation and remediation, reporting, and more.
The Pomme de Terre River begins cool and clear in Otter Tail County, bordered by wooded hills and grassy meadows. It flows south through several lakes; as the river nears its mouth, it is bordered by eroding banks, becoming increasingly muddy before discharging into the Minnesota River at Marsh Lake.
Image Air quality is expected to reach the orange AQI category for all of Minnesota, which is unhealthy for sensitive groups.The Minnesota Pollution…
Profile of Karl Scheuer, a volunteer with the MPCA's Volunteer Water Monitoring Program
The East Fork Des Moines River Watershed covers 839,518 acres, which includes Minnesota's Martin and Jackson counties.
The Minnesota Nutrient Reduction Strategy (NRS) compiles the latest science, research, and data and recommends the most effective strategies to reduce nutrients in our waters from both point and nonpoint sources.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northwest and north central Minnesota. The alert takes effect 6 a.m. on Friday, July 11, and runs until 6 p.m. on Friday, July 11. Air quality is expected to reach the purple AQI category in northwest Minnesota, which is very unhealthy for everyone.
Minnesota state agencies and local governments are working together to protect drinking water supplies.
Air quality alert issued due to ozone for Tuesday, June 9, for the Twin Cities and central Minnesota
Air quality is expected to reach the orange AQI category, which is unhealthy for sensitive groups, in the Twin Cities and central Minnesota
The Minnesota Pollution Control Agency (MPCA) has canceled portions of the current air quality alert for western and southern Minnesota. The alert runs until 11 p.m. on Friday, July 25. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, in east central Minnesota, and the orange AQI category, a level considered unhealthy for sensitive groups, across the remainder of the alert area.
The Minnesota Pollution Control Agency (MPCA) has extended an air quality alert in the orange AQI category for northeast Minnesota through 7 p.m. on Wednesday, Aug. 6.
The MPCA studies, monitors, and regulates numerous water pollutants to protect human health and the environment. At the state level, three agencies share the monitoring and control of pollutants:the…
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northern Minnesota. The alert runs until 11 p.m. on Tuesday, July 15. Air quality is expected to reach the red AQI category, which is unhealthy for everyone.
Image Air quality is expected to reach the orange AQI category in northwestern Minnesota, which is unhealthy for sensitive groups.The Minnesota…
The capped emission permit is designed for non-complex facilities that do not require site-specific permit conditions.
Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.