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401 Certification process for applying Minnesota water quality standards to federal permitting actions.
In 2010, the MPCA began receiving public inquiries about projects to mine silica sand for use in hydraulic fracturing, or “fracking,” a drilling method used for natural gas and oil wells.
PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.
Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.
For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.
The Clean Water Council was created to advise the Legislature and the governor on the administration and implementation of the 2006 Clean Water Legacy Act
State agencies, counties, municipalities, nonprofit organizations, and many others are engaged in protecting Minnesota lakes.
Enbridge Energy is continuing restoration work around its new Line 3 crude oil pipeline across Minnesota. The new line replaces an aging Line 3 and began operating in October 2021, after Enbridge completed the project’s construction phase.
Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.
The capped emission permit is designed for non-complex facilities that do not require site-specific permit conditions.
Application fees must be submitted with your permit application. The submittal cover page form will help you add up the points assigned to each type of permit application or request. Multiply the…
The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.
The Minnesota Pollution Control Agency (MPCA) is expanding the ways we learn and understand the effects of pollution on communities and the environment by incorporating lived experiences into our air…
Recent air permits issued by the MPCA can be found in What's in My Neighborhood. The tool does not currently include all previously issued air emissions permits. All air emissions permits issued by…
Important details to help make your e-Service submittal go as smoothly as possible.
Polycyclic aromatic hydrocarbons (PAHs) are a class of more than 100 chemicals that occur naturally in coal, crude oil, and gasoline, and are also present in products made from fossil fuels, such as…
Permits for wastewater treatment require monthly, quarterly, or annual reporting of discharge monitoring results
The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.
Environmental rules and regulations are essential tools used to protect Minnesota’s environment, setting standards for environmental quality and limits on pollutants that can be discharged from facilities. The MPCA helps protect our environment by writing and enforcing these rules and regulations.
Projects will reduce the amount of waste entering landfills, benefiting the environment and local economies.