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Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.
The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.
Pesticide NPDES permit steps to compliance Step 4: Report adverse pesticide incidents
Smart Salting is a suite of techniques that minimize the environmental and economic impacts of chloride while still meeting public needs.
MPCA investigation determined that construction sediment was discharged into the Blue Earth River and a county ditch.
Use these tools to help educate the public and boost participation in your household hazardous waste program.
In October 2023, New Ulm Steel failed a noise test at its facility. New Ulm Steel was also fined for dust escaping the facility and settling on a public road.
KODA Energy violated its air permit in Scott County from June 2023 to February 2024, according to a Minnesota Pollution Control Agency (MPCA) enforcement investigation. The investigation found KODA energy was burning waste-treated corn and should have submitted a major permit amendment before burning an industrial solid as a waste-to-energy incineration facility.
DENCO II LLC failed a stack test in April, 2024, that showed that the facility exceeded its permit limit for particulate matter by more than 170%.
Nottingham Construction failed to notify the MPCA that it was demolishing a property in Mahtomedi that contained asbestos and failed to send the asbestos demolition debris to a permitted facility.
Cities fined over $12,000 apiece for municipal wastewater violations
Ardent Mills LLC, a flour mill in Lake City, paid $10,200 for air permit violations.
The MPCA fined Heron Lake BioEnergy $18,174 for failing to properly maintain safety controls and inspect storage tanks on its property.
S.M. Hentges & Sons, a Jordan-based construction company, paid $13,078 for construction stormwater violations for a project in Chaska.
MPCA investigation in 2025 found that Sheldahl Flexible Technologies submitted incorrect permit applications and failed to obtain MPCA approval prior to installing or modifying three pieces of industrial mixing equipment.
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.
Guidance for submitting data to MPCA Remediation Division programs: Superfund, Site Assessment, Petroleum Remediation, Brownfields, RCRA Remediation, Closed Landfill, and Integrated Remediation.
All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.
Sandblasted material from a construction site was deposited on a parking ramp next door.
Violated Minnesota rules and federal standards on several occasions at a barley malting facility located in Moorhead, Minnesota.