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Air quality map of current conditions in Minnesota.
Sustainable aviation fuel (SAF) is low-carbon synthetic fuel made from non-petroleum sources that is blended with traditional jet fuel to reduce greenhouse gas emissions from air transportation.
Important details to help make your e-Service submittal go as smoothly as possible.
State will begin engagement next month on an updated framework set to be released in 2025
Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.
Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.
The 2015 Legislature directed the MPCA to simplify the regulation and administration of work on building sewers connected to septic systems.
Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
The MPCA provides additional guidance on air permitting and regulation requirements: New source review – Obtain a permit before beginning construction on new major-emitting industrial facilities…
Keep It Clean focuses on the growing problem of garbage and human waste left on the ice by anglers and other visitors during ice fishing season.
Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.
Image The goal of the MPCA's regulatory programs covering hazardous substances and solid waste is to prevent contamination of land, water, and air by…
East Side Jersey Dairy Inc., doing business as Prairie Farms Dairy Inc., had several liquid sugar spills they failed to report to the Minnesota Duty Officer in 2022 and 2023. The spills created a potential for harm to the environment and aquatic life had they reached wetlands near the company’s facility in Woodbury, Minnesota.
Hot, sunny weather brings the possibility of air quality alerts due to ozone. But what exactly is ozone?
The MPCA issued a new air quality permit for this manufacturing facility in White Bear Township.
Minnesota samples a network of shallow monitoring wells designed to provide early detection of contamination in the groundwater.
MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.
The MPCA created a statewide inventory of streams that have been hydrologically modified: channelized, ditched, or impounded