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The Minnesota portion of the Roseau River watershed covers 774,197 acres; an additional 594,560 acres are across the U.S. border in Canada.
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.
Environmental information and resources for the aggregate industry.
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.
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.
Details on Minnesota state contracts with businesses that provide environmental emergency response services.
The Lower Rainy River Watershed is composed of a conglomeration of tributaries to the Rainy River, from International Falls and west to the Rainy River's pour point at the Lake of the Woods.
Answers to common questions about the Construction Stormwater Permit application
MPCA's recommended review criteria for wastewater treatment facilities that need to perform system maintenance that requires approval to bypass untreated or partially treated domestic wastewater.
From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource in spring 2025 confirmed that the source of the elevated lead levels was addressed.
Data shows that ice cover on Minnesota's lakes doesn't last as long as it used to. That means a shorter ice fishing season, yes, but it also has implications for the environment and Minnesota's fish and wildlife.
Permits for wastewater treatment require monthly, quarterly, or annual reporting of discharge monitoring results
Climate adaptation identifies strategies and actions that help human and natural systems cope with and become more resilient to the impacts of climate change.
Initial screening information for a contaminant of emerging concern, beta-sitosterol.
A legacy of trichloroethylene disposal at the General Mills/Henkel Corp. Superfund Site at 2010 East Hennepin created an area of groundwater contamination that has led to vapors traveling upward through the soil, where it can enter houses and buildings.
The MPCA is proposing to amend Minnesota Rules governing animal feedlots.
Riverview LLP is seeking to expand its existing West River Dairy facility near Morris from 7,855 cows to a total capacity of 18,855 cows.
From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.
In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.
MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.