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Requirements for discharges from a project site and/or management control site(s).
The Minnesota Pollution Control Agency places members with host sites throughout Minnesota each year. Members serve full-time for 11 months (Sept. 2026 through Aug. 20227) at environmental nonprofits, government agencies, and educational institutions.
Image Stormwater has an enormous impact on water quality in Minnesota, whether it's runoff from farm fields or from urban hardscapes. Rain and snow…
The Southern Minnesota Beet Sugar Cooperative emitted higher levels of hydrogen sulfide than allowed from its Renville facility, resulting in a $1.15 million fine following an MPCA investigation.
Complaints of discrimination will be investigated
The MPCA has started a study intended to understand and document the variation in naturally occurring sulfate levels across the state.
A waste tire transporter removes waste tires from a waste tire generator, tire dump, or waste tire facility and delivers the waste tires for aggregation, storage, or processing.
MPCA investigation confirms discharges sediment-laden water into the Long Prairie River, in addition to other violations, during construction of CSAH 56 & 38.
Pollutant and runoff maps and data for major watersheds; watershed monitoring and assessment reports.
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.
Resources for the dry cleaning industry
Guidance pertaining to the investigation and cleanup of hazardous substances, pollutants, and contaminants.
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
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.
Addressing excess nutrient levels in Lake Pepin based on the site-specific water quality eutrophication criteria for the lake developed by the MPCA.
Planned amendments to Minn. Rules ch. 7050 affect the Class 1 beneficial use, which protects waters (both surface and groundwater) used as a source for domestic consumption.
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…
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.
Minnesota is the first state to require producers fund boat wrap collection and recycling.
The Cloquet River Watershed covers approximately 507,858 acres (794 square miles) and is located within portions of Lake and St. Louis Counties in northeastern Minnesota.