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A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.
The MPCA proposes to adopt the U.S. EPA's 2013 national recommended water quality criteria for ammonia as its Class 2 ammonia water quality standards for the protection of aquatic life.
Waterways in the northeastern part of the state are generally in better condition than those in the southern, central, and western regions.
The MPCA studies, monitors, and regulates many land pollutants that affect the quality of life in Minnesota and the health of residents.
The MPCA is seeking public comment on a proposed increase in the amount and types of waste that Curbside Waste Inc. processes at its transfer station facility in Dayton.
Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.
Kate Knuth's career in addressing climate change, which took her to the Minnesota Capitol as a state legislator, has now led her to the MPCA as its new climate director.
Environmental information and resources for the biochar industry.
Environmental information and permits that affect businesses that paint, coat, or strip surfaces.
New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.
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.
Environmental information and resources for the automotive industry
The MPCA has adopted amended rules relating to when maintenance of a closed landfill should end.
The MPCA announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.
The MPCA solicited applications for approximately $630,000 in grants to replace old diesel school buses with new models fueled by diesel, propane, or natural gas.
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…
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.
Recent air permits issued by the MPCA can be found in What's in My Neighborhood. The tool does not currently include all previously issued air emissions permits. All air emissions permits issued by…
Application fees must be submitted with your permit application. The submittal cover page form will help you add up the points assigned to each type of permit application or request. Multiply the…
The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.