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The Minnesota Pollution Control Agency (MPCA) today took another step forward in addressing nitrate pollution statewide by issuing updated water permits for about 1,000 large feedlot operations. These permits take effect when the current ones expire.
Louisiana-Pacific has been fined $15,775 for stormwater and wetland violations according to a Minnesota Pollution Control Agency (MPCA) enforcement investigation. Louisiana-Pacific operates a wood-board manufacturing facility in Two Harbors, Minnesota.
From 2023-2025, Northshore Mining released recycled water to the ground seven times and water relating to mining processes four times. Its largest unpermitted release was nearly 400,000 gallons of recycled water. Northshore Mining has documented equipment failure as the reason for the 11 releases.
MPCA sought proposals from qualified environmental contractors for a contract to support the agency's Watershed Division on statewide, basin-wide, water body, and watershed scale projects.
MPCA investigation found that Rainy Lake Oil failed to repair a pipe that was leaking diesel fuel underground for more than four months in 2024.
Cleanup and recovery from a natural disaster depends on local units of government to guide and direct residents to ensure the effective and efficient disposal of wastes in accordance with statutes, rules, and guidelines.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Industrial Stormwater Steps to Compliance Step 4: Create SWPPP, choose BMPs
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
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 MPCA added three sites to the state’s priority list of contaminated sites that need further investigation and cleanup under Minnesota’s Superfund law.
Dem-Con is proposing a new facility that will process organic materials through anaerobic digesters at its environmental campus in Shakopee. The project requires an environmental assessment worksheet (EAW) and an air permit from the MPCA.
Every two years, MPCA creates a list of impaired waters in the state that do not meet water quality standards.
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).
MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.
The MPCA has begun work to implement a groundbreaking new law to remedy Minnesotans’ disproportionate exposure to pollutants.
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Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.
The Leech Lake Band of Ojibwe has hosted five MN GreenCorps members to help install solar panels and electric vehicle charges, promote food sovereignty, and more.
Contact the Minnesota Pollution Control Agency by phone or online form. This page includes office locations and options to requests for assistance or report emergencies.