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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 investigation found that Rainy Lake Oil failed to repair a pipe that was leaking diesel fuel underground for more than four months in 2024.
Alliance Building Corporation failed to prevent liquid washout of waste during construction at the Sleepy Eye Apartments.
According to a Minnesota Pollution Control Agency (MPCA) enforcement investigation, Elliott Auto Supply Co. improperly stored hazardous waste, allowed them to accumulate and leak inside its vehicle fluid manufacturing facility in St. Paul, Minn.
Carver County and Valley Paving Inc. failed to properly install and maintain erosion and sediment controls during a highway safety improvement project in the fall 2022 and spring 2023 near Watertown, Minn. This caused significant erosion and sediment to impact several area surface waters.
American Peat Technology paid a penalty of $12,468 for failing to properly maintain and inspect equipment designed to monitor and reduce air pollution.
Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.
Wild rice is an important part of the biological community in many Minnesota lakes, streams, and wetlands, and a cultural resource to many, particularly members of the Dakota and Ojibwe Tribal Nations in Minnesota.
MPCA investigation confirms discharges sediment-laden water into the Long Prairie River, in addition to other violations, during construction of CSAH 56 & 38.
A waste tire transporter removes waste tires from a waste tire generator, tire dump, or waste tire facility and delivers the waste tires for aggregation, storage, or processing.
The Minnesota Pollution Control Agency (MPCA) does not discriminate on the basis of race, color, national origin, disability, age, or sex in administration of its programs or activities, and, MPCA does not intimidate or retaliate against any individual or group because they have exercised their rights to participate in actions protected, or oppose actions prohibited, by 40 C.F.R. Parts 5 and 7, or for the purpose of interfering with such rights.
A transport truck released fugitive lime dust that drifted and deposited on area school playground equipment, vehicles, and vegetation near its paper production facility in International Falls, Minn., in October 2023.
MPCA and MDH statement on the U.S. EPA's maximum contaminant levels for PFAS in drinking water.
Heartland Corn Products failed emission stack tests in November 2021 and February 2022 for volatile organic compounds and particulates at its ethanol production facility in Winthrop, Minn.
Documents and forms related to the identification and management of hazardous waste in Minnesota.
It's Septic Smart Week and Minnesota local governments are reporting significant progress in fixing inadequate septic systems around the state.
An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
Minnesota state agencies are working together to reduce greenhouse gas emissions that cause climate change.
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.
The MPCA proposes adding 46 new impaired bodies of water and removing 45 impairments from bodies of water from the IWL, the most removals in a two-year cycle since the state began the IWL program in 1992.