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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.
The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.
Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…
Financial assistance for assessment and clean up of contaminated sites in Minnesota.
The purpose of the Minnesota Pollution Control Agency's official social media accounts is to provide information about the MPCA and the programs, services, and products we provide. The MPCA social…
Anglers can choose lead-free materials when shopping for fishing tackle. Popular options include tungsten, steel, tin, bismuth/tin, and glass.
Counties and solid waste management districts around the state are required to prepare and implement detailed plans for solid waste management.
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.
The Redeye River Watershed covers nearly 900 square miles and is located the northwestern to north-central part of the Upper Mississippi River Basin in central Minnesota. The watershed encompasses all or parts of Becker, Otter Tail, Todd, and Wadena counties.
Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.
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.
Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?
The Upper Iowa River is a 156-mile-long tributary of the Mississippi River that rises in Mower County in southeastern Minnesota near the Iowa border. It then flows south through three Iowa counties before flowing into the Mississippi. It drains nearly 641,000 acres (1,005 square miles).
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
Study funded by the $850 million settlement that Minnesota reached with 3M in 2018 focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.
The MPCA plans to amend water quality standards (Minn. Rules chapter 7050) affecting Class 2 beneficial uses, which protect surface waters for aquatic life and recreation.
Groundwater is not a static thing, but moves around in the layers of rock and soil beneath our feet. How does this affect the work to treat contaminated groundwater and protect drinking water?
AccessibilityThe Minnesota Pollution Control Agency is committed to accessibility on its website. As part of that commitment, the MPCA makes every effort to comply with the State of Minnesota…
MPCA staff studied the river during this summer's extreme drought conditions to see if tighter limits on phosphorus are protecting aquatic life.