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Northshore Mining Company has applied for updated wastewater and air quality permits for its Silver Bay taconite processing plant and Mile Post 7 tailings basin.
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.
Northshore Mining operates the Peter Mitchell Mine, a taconite ore mining operation, in Babbitt. It sends the ore that it mines there via rail to a processing plant in Silver Bay, which is a separate facility with its own individual air permit.
The St. Louis River Watershed covers 3,584 square miles at the head of the Great Lakes and represents the extreme headwaters of the St. Lawrence River.
Funding for projects to reduce air pollution in Minnesota today and invest in cleaner transportation for tomorrow.
Ten TMDL projects undertaken in the Lower St. Croix River Watershed to address nutrient, biota, bacteria, and other impairments.
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility information listed on…
A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
The MPCA is committed to delivering a pollution reduction program that benefits all Minnesotans and works diligently to incorporate their ideas and opinions into our projects and plans. To develop…
The Root River starts as a drainage ditch in Mower County, then winds 81 miles from intensely farmed areas through more wooded, rolling terrain, and finally empties into the Mississippi River south of La Crosse, Wisconsin.
The Army has proposed a plan for cleaning up contaminated sediment in Round Lake, located within the Twin Cities Army Ammunition Plant (TCAAP) site.
MPCA staff studied the river during this summer's extreme drought conditions to see if tighter limits on phosphorus are protecting aquatic life.
The Mississippi River - Sartell Watershed covers approximately 652,800 acres (1,020 sq. miles) in the central part of the Upper Mississippi River Basin. The watershed includes parts of Benton, Crow Wing, Mille Lacs, Morrison, Stearns, and Todd counties.
Enbridge Energy is continuing restoration work around its new Line 3 crude oil pipeline across Minnesota. The new line replaces an aging Line 3 and began operating in October 2021, after Enbridge completed the project’s construction phase.
MPCA awards first of two rounds of Tribal technical assistance grants intended to advance environmental work on reservations and in Tribal communities
The Leech Lake River Watershed consists of approximately 854,659 acres (1,335 sq. miles) in the northern part of the Upper Mississippi River Basin. The watershed includes parts of Beltrami, Cass, and Hubbard counties and the Leech Lake Reservation (Leech Lake Band of Chippewa).
The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.
The Minnesota Pollution Control Agency (MPCA) requests public comment on a rule that will shape nation-leading restrictions on the use of per- and polyfluoroalkyl substances (PFAS).
The Minnesota Pollution Control Agency has developed a draft air permit for MagIron LLC in Coleraine that will require a fugitive dust control plan to help reduce emissions of particulate matter from roads, storage, stockpiles, and exposed mining areas.