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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.

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.

Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.

The MPCA added three sites to the state’s priority list of contaminated sites that need further investigation and cleanup under Minnesota’s Superfund law.

Initial screening information for a contaminant of emerging concern, beta-sitosterol.

MPCA and MDH statement on the U.S. EPA's maximum contaminant levels for PFAS in drinking water.

Environmental information and permits that affect grain elevators, feed mills and fertilizer mixing plants.

Through a certificate of need process, MPCA is offering existing landfills the opportunity to expand their existing capacity.

The MPCA announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.

Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.

Southeastern Minnesota is characterized by an unusual type of geography called karst, where the distinction between groundwater and surface water is blurry.

Organizations that want to reuse materials in ways not classified as standing beneficial uses must apply to the MPCA for a case specific beneficial use.

Before Laura Mendoza Romero got involved with shoreline restoration, she remembers going on boat rides and seeing all the different landscapes along the shore. Some houses you could barely see…

A waste is any material that can no longer be used for its original intended purpose. The type of waste generated can include recyclables, solid waste, and hazardous wastes, which may be subject to specific management and disposal requirements.

Environmental information and permits that affect hot mix asphalt plants.

SSTS work in Minnesota must be completed by licensed businesses under the supervision of certified individuals.

Company failed to install and upgrade equipment compatible with the fuels it was storing at seven of its convenience stores in Freeborn and Mower counties.

The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.

Coal tar-based sealants can no longer be sold or applied legally in Minnesota as of 2014.

The Clean Water Council was created to advise the Legislature and the governor on the administration and implementation of the 2006 Clean Water Legacy Act