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Collaboration and engagement have been keys to progress in the St. Louis River AOC.
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.
The U.S. EPA approved Minnesota's Statewide Mercury Total Maximum Daily Load study in March 2007.
U.S. Steel Corp. operates the Minntac Taconite processing facility near the city of Mountain Iron, where it produces taconite pellets that are shipped for use at steel mills. U.S. Steel has applied for a reissued air permit so it can replace existing emissions controls in its pellet plant with cartridge filters.
Trichloroethylene (TCE) is a man-made chemical commonly found in wood finishes, glues and adhesives, paint or paint removers, and spot and metal cleaners. Exposure can have significant effects…
Find out whether your feedlot needs to register, to get an environmental review, or apply for a permit.
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.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
The triennial standards review (TSR) gives the public a formal opportunity to provide wide-ranging comments about water quality standards.
A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.
The Minnesota Pollution Control Agency has issued an air quality alert for northeast Minnesota. The alert takes effect at 8 a.m. on Thursday, May 29, and runs until 6 p.m. on Friday, May 30. The affected area includes Two Harbors, Hibbing, Ely, Duluth, and the Tribal Nations of Grand Portage and Fond du Lac. Air quality is expected to reach the red AQI category which is unhealthy for everyone.
This committee included a broad range of stakeholders and was charged with providing perspective, input, and advice to the commissioner on MPCA's water fees.
MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.
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.
Best practices for SSTS installations drafted by St. Louis County, Minn., in 2008 based on the experiences of SSTS installers and inspectors.
Installing an engineNo permit amendments are needed for holders of registration (Options C and D), capped, and general permits (state or Part 70) to install a non-emergency engine, if the total…
MPCA policy recommendations for the upcoming legislative session
Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…
Permit addresses the most common causes of contaminated groundwater, including releases of petroleum, volatile organic compounds, and other hazardous substances.
The MPCA solicited project proposals to distribute $1.6 million for climate planning projects to communities across Minnesota.