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Minnesota law requires that people notify the MPCA (through the Minnesota Duty Officer) immediately when more than five gallons of petroleum or any amount of any substance under their control is released into the environment that could cause pollution of waters of the state.
Volkswagen settlement funds are helping MPCA clean up air pollution and invest in cleaner transportation to support a healthy environment and reduce emissions in Minnesota, especially in communities most impacted by vehicle pollution.
The Minnesota Pollution Control Agency is committed to ensuring that every Minnesotan has healthy air, sustainable lands, clean water, and a better climate.
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.
Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.
We Are Water MN travels to Leech Lake, where Raining White works to protect and restore manoomin, or wild rice.
Minnesota industrial stormwater permittees in certain industries to monitor for PFAS in their stormwater runoff or snow.
For Katy Backes Kozhimannil, water is intrinsically tied to her life’s work. As a professor of public health at the University of Minnesota with a focus on rural communities, she has made it her life…
The MPCA certifies Minnesota municipal, government, or industrial laboratories that are used to comply with National Pollution Discharge Elimination System (NPDES)/State Disposal System (SDS) permits or for water quality work for agency programs.
A new planning effort in northwest Minnesota takes a basin-wide approach to reducing the state's phosphorous contributions to the Red River, and to Canada's Lake Winnipeg.
Central Bi-Products emitted higher levels of hydrogen sulfide than is allowed, causing odor complaints in the community of Long Prairie and resulting in a $3 million fine. Central Bi-Products has agreed to spend a minimum of $4.4 million on a supplemental environmental project that will improve its wastewater treatment.
Rundown of all the PFAS legislative wins from the most recent legislative session.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
The Mississippi River - Lake Pepin Watershed includes 205,747 acres that drain several small, coldwater streams in bedrock-dominated bluff country.
The time that Andy Vig spends along the Minnesota River near Hoċokata Ṫi, cultural center of the Shakopee Mdewakanton Sioux Community, serves as a reminder of where his water comes from and a…
Dakota County is now hosting We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.
Learn what steps you can take to reduce the pollution from small neighborhood sources.
The Minnesota Nutrient Reduction Strategy (NRS) compiles the latest science, research, and data and recommends the most effective strategies to reduce nutrients in our waters from both point and nonpoint sources.
Partner with an award-winning exhibition to engage Minnesotans with environmental ideas, challenges, and inspiration for a better future.
Cleaner water is taking hold across Minnesota this Earth Day as farmers and communities scale up solutions that protect rivers, strengthen soil, and build resilience from headwaters to downstream lakes.