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The MPCA is leading multiple initiatives to reduce greenhouse gas emissions from the transportation sector.
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
Residents' guide to stormwater permitting.
Guidance on NPDES/SDS construction stormwater requirements
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.
The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.
Eight grant recipients will receive $302,173 for projects that will make the state’s soil healthier and reduce the emission of greenhouse gases. All are focused on composting organic waste in multi-resident housing.
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.
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.
Construction and demolition projects produce twice the amount of waste of household trash every year. A new MPCA grant aims to reduce that amount by funding innovative building material reuse projects.
A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.
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…
MPCA investigation determined that construction sediment was discharged into the Blue Earth River and a county ditch.
Pretreatment by commercial facilities and other non-domestic wastewater sources removes harmful pollutants before the wastewater is discharged to a municipal sewer system. The U.S. EPA has delegated MPCA the authority to approve pretreatment programs at the local level and oversee statewide pretreatment activities.