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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.
When temperatures climb and the summer sun beats down, conditions are ripe for Minnesota lakes to produce harmful algae blooms, some of which can be harmful to pets and humans.
Significant restoration work by organizations in the area have made the south branch of the Buffalo River a water-quality success story.
In addition to the vessel requirements in the EPA VGP and Minnesota’s ballast water general permit, vessels must follow the requirements in Minnesota Statutes and Minnesota’s 401 certification of the VGP.
Partnerships and diversified funding drive the work to restore water quality in impaired streams in the Red Lake River Watershed through science-based interventions.
Financing for wastewater and stormwater projects is available for public entities.
The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.
Regular people are pretty good at judging water quality, and new research from the Minnesota Pollution Control Agency (MPCA) proves it.In an academic paper published in February, MPCA scientists…
Sandy and Jay Boss Febbo shared their story as part of We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.
A TMDL addressing excess bacteria in 22 stream reaches and protection strategies for 29 stream and river reaches in the Upper Mississippi River watershed.
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 this spring confirms that the source of the elevated lead levels has been addressed.
The MPCA is developing a sulfate multi-discharger variance (MDV) for wastewater facilities that are currently unable to meet the state water quality standard for sulfate.
July is Lakes Appreciation Month! If you love Minnesota lakes and want to help protect them, sign up to be a volunteer water monitor for the MPCA.
Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.
Minnesota Agricultural Water Quality certified farms have added more than 2,000 new conservation practices, including over 110,000 acres of new cover crops that protect Minnesota’s waters.
Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.
Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?
New reports from the MPCA highlight restoration investments and improved water quality while calling for continued work to address persistent challenges in southeastern Minnesota.
The U.S. EPA approved Minnesota's Statewide Mercury Total Maximum Daily Load study in March 2007.
What is a stormwater catch basin, and should I be worried about it?