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Environmental Assessment Worksheets (EAW) and Environmental Impact Statements (EIS) are part of MPCA's environmental review, providing a standardized and public process to disclose information about the potential negative environmental effects of a proposed development and ways to avoid or minimize them before the project is permitted and built.
Air quality map of current conditions in Minnesota.
The MPCA has initiated a declaratory judgement action against the owners of the Freeway Landfill and Freeway Dump in Burnsville to protect the drinking water supply for Burnsville and Savage residents.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
Air sensors are instruments that measure air quality conditions in near real time.
The MPCA will analyze varying background sulfate levels across Minnesota, which could inform our implementation of the wild rice sulfate water quality standard.
ECSWC is applying for a 10-year permit to add MSW capacity to its currently permitted landfill near Mora while conducting environmental review for the unpermitted areas of its landfill expansion.
Phosphorus management plans help wastewater treatment facility operators and managers evaluate pollution prevention and and management options that can reduce the amount of phosphorus discharged to Minnesota waters.
One of 12 major watersheds of the Minnesota River Basin, the Watonwan River Watershed covers 878 square miles in south-central Minnesota.
Thirty TMDLs undertaken in the Mississippi River - Twin Cities Watershed to address excess nutrients, turbidity, bacteria, and more.
Whether they are called sloughs, swamps, bogs, or potholes, these are all wetlands and they provide many environmental benefits and contribute to watershed health. Though Minnesota has lost almost half of its wetland acreage over time, the quality of the remaining wetlands is good overall.
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…
This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.
The MPCA provides additional guidance on air permitting and regulation requirements: New source review – Obtain a permit before beginning construction on new major-emitting industrial facilities…
Up to $20 million in grants for projects that restore and enhance aquatic resources, wildlife, habitat, fishing, and outdoor recreational opportunities in portions of Washington, Ramsey and Dakota counties and downstream areas of the Mississippi and St. Croix rivers affected by PFAS released by 3M.
Sulfur dioxide (SO2), a foul-smelling toxic gas, is part of a larger group of chemicals called sulfur oxides. These gases, especially SO2, are emitted by the burning of fossil fuels or other…
Environmental information and resources for the automotive industry
Public invited to comment on draft guidance A fish kill at Trout Valley Creek near Minneiska. The Minnesota Pollution Control Agency (MPCA) today released a…
Determine if your facility requires an air permit and, if so, which permit type may be the best fit for your business.
Environmental information and permits that affect hot mix asphalt plants.