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The MPCA library provides access to the agency's curated collection of environmental information for agency employees, external professionals, and the public.
States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…
The MPCA will establish a pilot program providing financial assistance to eligible applicants for the purchase of landscaping and snow-removal equipment powered exclusively by electricity.
This RFP provides a mechanism for interested parties to acquire a limited volume of PFAS concentrate for PFAS destructive technology testing purposes.
MPCA seeks public comment on a proposed air permit for the U.S. Steel Keetac mining facility in Keewatin, Minn.
Community wastewater treatment facilities and their operators play a critical role in maintaining a health community and preserving and protecting our waters.
Hear Josh Krenz's story about protecting water in Minnesota at We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water. You can visit the exhibit from March 2 through April 24 at the Sherburne History Center in Becker, Minn.
Reusing and recycling materials from construction and demolition (C&D) can help address pressing disposal and contamination issues in Minnesota, and have significant economic and environmental benefits.
Environmental information and resources for the aggregate industry.
In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.
Image Climate change continues to have a destructive impact on Minnesota’s infrastructure, presenting a direct threat to our homes, businesses, roads…
Air sensors are instruments that measure air quality conditions in near real time.
The Lower St. Croix Watershed covers 585,735 acres and is located in northwest Wisconsin and east-central Minnesota.
Solving the problem of oversalted sidewalks is elementary!
The MPCA sought a contractor to lead the effort to identify and replace Tribal members' old wood stoves that are not certified by the U.S. EPA.
The Soiled Undies exhibit at the Eco Experience at the Minnesota State Fair might look off-putting at first, but it's a good demonstration of the importance of soil health and how healthy soil can help the environment.
Perchloroethylene or tetrachloroethylene (PCE or Perc) is chlorinated solvent used in a variety of processes as a solvent and degreaser. When released in the environment, some PCE will evaporate…
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility information listed on…
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Some pollutants attach to suspended particles in the water and subsequently settle out to the bottom sediment. At elevated concentrations, contaminated sediments can contribute to fish…