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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.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
MPCA plans to amend existing Minnesota Rules governing permits and solid waste landfills (chapters 7001 and 7035).
State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events
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…
Create an editable spreadsheet of details about your facility to make calculations of emissions.
Two small creeks in the Nemadji River watershed are cleaner, and some fish have returned, after restoration work that the MPCA took part in.
The MPCA provides educational information about the status of Minnesota’s air, water, land, and climate and can point you toward beneficial actions you can take as students, teachers, and life-long learners interested in Minnesota’s sustainable future.
Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.
The StormReady designation recognizes the MPCA’s commitment to emergency management planning and continuity of operations during an emergency.
The Upper/Lower Red Lake Watershed covers more than 1.2 million acres and is home to Upper and Lower Red Lakes, the two largest bodies of water within the state.
Air sensors are instruments that measure air quality conditions in near real time.
What to consider when cold weather has you looking into home weatherization projects
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
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility ID, file number, and…
Environmental information and permits that affect hot mix asphalt plants.
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.
MPCA investigation determined that construction sediment was discharged into the Blue Earth River and a county ditch.
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…