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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…

Air quality map of current conditions in Minnesota.

Data shows that ice cover on Minnesota's lakes doesn't last as long as it used to. That means a shorter ice fishing season, yes, but it also has implications for the environment and Minnesota's fish and wildlife.

Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.

Heartland Corn Products failed emission stack tests in November 2021 and February 2022 for volatile organic compounds and particulates at its ethanol production facility in Winthrop, Minn.

Image Climate change is having a profound impact on Minnesota's natural environment. Many of our state's iconic native plants and animals — from birch…

Enbridge Energy is continuing restoration work around its new Line 3 crude oil pipeline across Minnesota. The new line replaces an aging Line 3 and began operating in October 2021, after Enbridge completed the project’s construction phase.

Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.

The Red Lake River Watershed, which covers 909,024 acres, is part of the Red River Basin in northwestern Minnesota. The Red Lake River begins its course in Beltrami County at Lower Red Lake.

Use these checklists to speed review and approval of wastewater design documents

State government agencies, in collaboration with local partners, are leading trailblazing work to protect Minnesotans from per- and polyfluoroalkyl substances (PFAS) pollution.

Environmental information and resources for the biochar industry.

Answers to common questions about the Construction Stormwater Permit application

Chrome-plating facility in St. Louis Park is the alleged source of pollution in local lakes.

The Buffalo River Watershed covers more than 1,100 square miles in portions of Becker, Clay, Otter Tail, and Wilkin counties, with a small portion of its headwaters in the White Earth Reservation.

Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.

Environmental information and permits that affect businesses using stationary engines or generators.

Testing found elevated levels of tetrachloroethylene/perchloroethylene (PCE or Perc) in soil vapors around the Dison’s Cleaners and Launderers site in Rochester.

Minnesota’s extended producer responsibility bill for packaging, food packaging, and paper products requires a producer responsibility organization to reduce the environmental and human health impacts of these materials.

Metal recycler in Brainerd constructed and operated a metal shredder without obtaining an air permit and under-reported VOC emissions in 2022.