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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.
The MPCA has important roles in protecting and restoring waters in degraded conditions.
Chemicals in the air toxics emission inventory.
The Keep It Clean campaign, a 2023 Minnesota law, and many partners working together are adding up to less garbage and waste left behind on frozen lakes.
MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.
Details on sampling and monitoring requirements of your industrial stormwater permit.
Completed rulemaking for changes to reporting requirements for hazardous air pollutants (HAPs).
As part of the MN Cup competition, MPCA offers a Sustainable Chemistry Prize of $10,000 to technologies and products that were designed using one or more green chemistry principles or that demonstrate safer or more sustainable chemistry than those already on the market.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Profile of Julia Dady, a volunteer water monitor for Battle Creek in Saint Paul.
Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…
The MPCA Brownfield Program is a fee-for-service program that provides assistance to promote the investigation, cleanup, and redevelopment of property that is contaminated with petroleum and hazardous substances.
Partnerships and diversified funding drive the work to restore water quality in impaired streams in the Red Lake River Watershed through science-based interventions.
In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.
Groundwater is not a static thing, but moves around in the layers of rock and soil beneath our feet. How does this affect the work to treat contaminated groundwater and protect drinking water?
Answers to common questions about the Construction Stormwater Permit application
Training resources for feedlot officers in Minnesota.
Application forms and instructions for applying for wastewater permits.
Minnesota water infrastructure projects in St. Cloud and Pipestone garner EPA’s top awards for innovation, excellence in protecting environment, health.
The MPCA had $5 million available to support the implementation of projects to increase resilience to the impacts of climate change in communities across Minnesota.