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States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…
Funded projects to remove older diesel buses from service and replace them with new, cleaner models.
Volunteer water monitors collect valuable data used by agencies and organizations across the state to protect and manage Minnesota’s waters.
A brownfield assessment is a property investigation looking for potential contamination.
The MPCA is currently recruiting volunteers to measure water clarity in numerous lakes and streams across the state and then report the data back to the agency.
Image Air quality is expected to reach the red AQI category, which is unhealthy for everyone, in northwest MinnesotaThe Minnesota Pollution Control…
MPCA's recommended review criteria for wastewater treatment facilities that need to perform system maintenance that requires approval to bypass untreated or partially treated domestic wastewater.
Healthy recycling markets divert materials from the waste stream, convert the materials into commodities, and supply them to manufacturers for the production of new products. The businesses that…
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northwest Minnesota. The alert takes effect 6 a.m. on Wednesday, July 23, and runs until 11 p.m. on Friday, July 25. Air quality is expected to reach the red AQI category in northwest Minnesota, which is unhealthy for everyone.
The MPCA is planning a new rule governing waste, adopting new rules to implement and govern regulation of the Packaging Waste and Cost Reduction Act.
Alliance Building Corporation failed to prevent liquid washout of waste during construction at the Sleepy Eye Apartments.
Air quality is expected to reach the red AQI category across southern Minnesota, which is unhealthy for everyone.The air quality alert issued by Minnesota Pollution…
The Regional Haze Rule requires states to improve visibility in our nation's national parks and wildernesses (Class I areas) and restore them to natural visibility conditions by 2064.
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.
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.
Public entities In Minnesota, most sustainable purchasing requirements are implemented at the local government level. However, there are some state requirements for public entities: Minnesota state…
MPCA and MDH statement on the U.S. EPA's maximum contaminant levels for PFAS in drinking water.
One of 12 major watersheds of the Minnesota River Basin, the Watonwan River Watershed covers 878 square miles in south-central Minnesota.
Cleveland-Cliffs owns the Minorca Mine northeast of Virginia, Minnesota. The mine’s two taconite mining pits are about one mile southeast of the plant.
The Southern Minnesota Beet Sugar Cooperative emitted higher levels of hydrogen sulfide than allowed from its Renville facility, resulting in a $1.15 million fine following an MPCA investigation.