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MPCA permits are required for extensions, additions, or other modifications to sanitary sewer collection systems that result in new or increased discharges of pollutants.
The MPCA has withdrawn proposed rules relating to waste treated seeds.
MPCA offers Climate Resilience Planning grants, with a listing of previous grant winners
The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.
MPCA has developed a draft wastewater permit for the MagIron LLC facility near Grand Rapids, Minn. The facility will process former natural iron ore mining waste material into high-grade, low-impurity iron ore concentrate at the site and supply electric arc furnace steelmaking.
Residential wood burning has been increasing in Minnesota, both for home heating and recreation.
The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.
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.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Central Bi-Products emitted higher levels of hydrogen sulfide than is allowed, causing odor complaints in the community of Long Prairie and resulting in a $3 million fine. Central Bi-Products has agreed to spend a minimum of $4.4 million on a supplemental environmental project that will improve its wastewater treatment.
U.S. Steel Corp. operates a taconite mine and processing plant known as Keetac north of Keewatin, where it produces taconite pellets for use at iron and steel mills.
Complying with the MS4 general permit
Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.
Businesses can find many ways to increase competitiveness and boost productivity.
Resources developed by the Minnesota Department of Health and the Minnesota Pollution Control Agency to help you spread the word about how Minnesota will reduce “forever chemicals” through Amara’s Law.
Find sustainable products for your business with these helpful certification and labeling systems.
The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
Financial assistance for assessment and clean up of contaminated sites in Minnesota.
Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.