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Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.
The Cedar River Watershed in Minnesota encompasses 454,029 acres in Mower, Freeborn, Dodge, and Steele counties. This watershed covers prime agricultural land with many streams and drainage ditches flowing into the river.
The Upper Iowa River is a 156-mile-long tributary of the Mississippi River that rises in Mower County in southeastern Minnesota near the Iowa border. It then flows south through three Iowa counties before flowing into the Mississippi. It drains nearly 641,000 acres (1,005 square miles).
The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans
The Rum River Watershed covers 997,060 acres in east-central Minnesota, covering parts of Aitkin, Crow Wing, Morrison, Mille Lacs, Kanabec, Benton, Isanti, Chisago, Sherburne, and Anoka counties.
Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment
Demonstration/research projects (DRPs) allow permittees to explore potential beneficial uses or new methods of solid waste management through a limited-scale project.
One of 12 major watersheds of the Minnesota River Basin, the Watonwan River Watershed covers 878 square miles in south-central Minnesota.
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…
Volkswagen settlement dollars are funding the replacement of older, dirtier diesel engines with newer, cleaner equipment.
From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.
The Mississippi River - Lake Pepin Watershed includes 205,747 acres that drain several small, coldwater streams in bedrock-dominated bluff country.
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.
The MPCA fined Cabinetworks Group’s Waconia facility, Wood Products, $11,520 for violations of its air permit.
The environmental justice advisory group (EJAG) advises the MPCA commissioner on the implementation of the agency's environmental justice framework, provides feedback on its effectiveness, and offers suggestions for future improvements.
Dairy will pay a fine and take corrective steps for improperly discharging industrial waste into a city curb and gutter stormwater system in Nicollet County.
PFAS are persistent and problematic chemicals that are found throughout the environment and not just in areas where large quantities have been manufactured, disposed of, or spilled. PFAS are…
The Minnesota Pollution Control Agency (MPCA) is expanding the ways we learn and understand the effects of pollution on communities and the environment by incorporating lived experiences into our air…
3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.