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One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.
With 100 days until a law aimed at removing PFAS from consumer products goes into effect, state leaders celebrate three Minnesota-based companies already offering goods made without PFAS.
Intense storms of late spring can wash soil and other pollutants into rivers. Producers can use several techniques to protect their soil and water quality.
New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.
The MPCA offers a variety of tools to help counties, cities, and townships develop and support systems that recover resources and manage waste.Notify the agency about changes to contacts in your…
Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program
Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.
Under the new EPR program, Minnesota is phasing out all product packaging sold in our state that is not refillable, reusable, recyclable, or compostable by 2032.
In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.
States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…
The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
Cleveland-Cliffs owns the Minorca Mine northeast of Virginia, Minnesota. The mine’s two taconite mining pits are about one mile southeast of the plant.
Sanimax USA LLC failed to seek a required major air permit amendment and conduct air emissions modeling prior to making changes to its pollution control equipment systems in 2019 at its animal products rendering facility in South St. Paul, Minnesota.
This feature summarizes findings from four WRAPS reports in 2024: Root River, Mississippi River-St. Cloud, Pomme de Terre River, and Mississippi River-Lake Pepin Tributaries.
The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).
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.
Instructions for preparing for and completing the online exam for underground storage tank operator certification.
Image Facilities with one or more aboveground storage tank (AST) with a total capacity of one million gallons or more must obtain a major facility…
Edina-based startup, Naware, recently took the $10,000 Green and Sustainable Chemistry Prize, sponsored by the MPCA as part of the MN Cup, for combining two unlikely technologies to replace herbicides in lawncare with a more environmentally friendly alternative.
Smart Salting is a suite of techniques that minimize the environmental and economic impacts of chloride while still meeting public needs.