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The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.
The MPCA enforces federal and state requirements for air quality permitting.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Air quality map of current conditions in Minnesota.
Prior to submitting this form, please verify that the information you are requesting is not already available on the Minnesota Pollution Control Agency science and data page.Requester informationThe…
With 100 days until a law aimed at removing PFAS from consumer products goes into effect, state leaders celebrate three Minnesota-based companies already offering goods made without PFAS.
Riverview LLP is seeking to expand its existing West River Dairy facility near Morris from 7,855 cows to a total capacity of 18,855 cows.
Biosolids that will be applied to land must meet strict regulations and quality standards.
The Clean Water Act established the framework for creating water quality standards and continues to help us protect Minnesota's prized lakes and rivers.
Guidance for small businesses on reporting air emissions.
Financial assistance for assessment and clean up of contaminated sites in Minnesota.
New reports from the MPCA highlight restoration investments and improved water quality while calling for continued work to address persistent challenges in southeastern Minnesota.
The MPCA studies, monitors, and regulates water pollutants to protect human health and the environment. Minnesota water quality standards strives to protect water for use, measures health of waters, and guides limits on what regulated facilities can discharge to surface waters.
The MPCA monitors and assesses lakes around the state to determine if they meet water quality standards.
Study funded by the $850 million settlement that Minnesota reached with 3M in 2018 focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.
Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.
Bins and containers play a crucial role in your recycling program. Using consistent labels and bins will help to increase participation and decrease contamination. Put recycling bins next to every…
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…
Registration form for service providers operating in Minnesota as a part of the state’s Packaging Waste and Cost Reduction Act.
Find out whether your feedlot needs to register, to get an environmental review, or apply for a permit.