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The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.
Industrial stormwater steps to compliance Step 6: Meet requirements
The Rainy River - Rainy Lake Watershed covers 583,791 acres. Open water makes up 75,815 of those acres and wetlands occupy another 84,851 acres. The watershed is 64% in St. Louis County and 36% in Koochiching County. The northern boundary is part of the international border waters with Ontario, Canada.
Farmers Grain, LLC, a grain elevator in Thief River Falls, paid $18,120 in fines for pumping contaminated water from their property into the city of Thief River Falls stormwater system.
MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
Residents' guide to stormwater permitting.
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.
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 investigation confirms discharges sediment-laden water into the Long Prairie River, in addition to other violations, during construction of CSAH 56 & 38.
Each year, MPCA hires seasonal positions to assist with biological monitoring of streams and wetlands during the summer months.
The city of Duluth will pay a $12,000 fine and spend $190,000 in compensation for a 2024 incident that led to a fish kill in Tischer Creek.
MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.
Documents and forms related to the identification and management of hazardous waste in Minnesota.
Don't let your septic system freeze. Here are some simple tips that can help you avoid costly problems with your septic system.
401 Certification process for applying Minnesota water quality standards to federal permitting actions.
Chrome-plating facility in St. Louis Park is the alleged source of pollution in local lakes.
The Shell Rock River begins at Albert Lea Lake in Freeborn County in south-central Minnesota, a few miles from the Iowa border. It flows 113 miles into Iowa, where it enters the Cedar River. In Minnesota, the Shell Rock drains 246 square miles (160,000 acres), all in Freeborn County.
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
The MPCA tested for PFAS in groundwater at 102 of the 111 sites in the Closed Landfill Program and found that 98% of the assessed facilities have PFAS contamination.
Robyn Dwight is the 2024 winner of the Community Conservationist Award given by the Minnesota Association of Soil and Water Conservation Districts and MPCA. She helped expand Keep It Clean, which keeps garbage off lake ice.