Search
To reduce the pollution that causes climate change, Minnesota has set goals to cut our collective greenhouse gas (GHG) emissions and track progress.
Answers to common questions about the Construction Stormwater Permit application
This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.
Minnesota is the first state to require producers fund boat wrap collection and recycling.
An air emission permit is a legal document that describes how a facility must operate to meet state and federal air regulations, and to minimize the impact of air emissions on people and the…
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.
Financing for wastewater and stormwater projects is available for public entities.
The discharges in summer 2024 happened during the construction of the MnDOT truck facility in Eden Prairie, Minnesota.
Use these checklists to speed review and approval of wastewater design documents
The Meadows Mobile Home Park discharged untreated sewage to the ground in two separate violations in 2025.
The MPCA fined West Fraser Forest Products $24,750 for exceeding the total amount of hazardous air pollutants (HAPs) allowed by the air permit for the company’s Solway facility from January 2024 to January 2025.
An inspection in 2024 discovered multiple violations at this site in , including failure to conduct testing of tank systems that prevent leaks and corrosion and a broken gauge used in tank leak detection tests.
MPCA investigation found that Shearer’s Foods operated without an air permit and submitted incomplete applications during the permit process.