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A new facility that will process organic materials through anaerobic digesters in Shakopee.
Proposed changes to permits that regulate the state’s largest animal feedlots target nitrate pollution statewide.
3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.
Initial screening information for a contaminant of emerging concern, perfluorooctane sulfonate.
Many residents have questions and concerns about loud noises or unpleasant odors that may be associated with industries or businesses in their community.
The MPCA works with partners throughout Minnesota each year to gauge the health of waters and identify stressors that harm fish and other aquatic life.
AccessibilityThe Minnesota Pollution Control Agency is committed to accessibility on its website. As part of that commitment, the MPCA makes every effort to comply with the State of Minnesota…
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
Chloride is a problem for wastewater facilities and stormwater permittees.
Trichloroethylene (TCE) is a man-made chemical commonly found in wood finishes, glues and adhesives, paint or paint removers, and spot and metal cleaners. Exposure can have significant effects…
Step 3: Requirements for pesticide dischargers
Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.
We Are Water next visits Ely April 24 through June 16.
The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.
Prior to submitting this form, please verify that the information you are requesting is not already available on the Minnesota Pollution Control Agency science and data page.Requester informationThe…
A new $75,000 grant from the MPCA will help the U of M’s Forever Green Initiative make camelina a viable crop for sustainable aviation fuel.
Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.
Licensing and certification requirements for SSTS businesses and professionals.
Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.