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Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…
The Minnesota Pollution Control Agency is committed to ensuring that every Minnesotan has healthy air, sustainable lands, clean water, and a better climate.
The Lower Red River Watershed (also known as the Red River of the North - Tamarac River) drains an area of 281,000 acres, including parts of Kittson, Marshall, and Roseau counties.
The Cloquet River Watershed covers approximately 507,858 acres (794 square miles) and is located within portions of Lake and St. Louis Counties in northeastern Minnesota.
Chrome-plating facility in St. Louis Park is the alleged source of pollution in local lakes.
An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
Septic tank installation fees and system abandonment
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.
Approximately 41,204 miles of streams in Minnesota (49.6% of the total) have been altered in some way by humans. Channelizing, ditching, and damming projects have changed the natural course of…
In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.
New MPCA report monitors PFAS sources and movement, provides direction for preventing and managing PFAS pollution.
This Winnebago River consists of a stream and lake system in southern Minnesota that flows into Iowa. The water resources here face several water quality challenges, including high nutrient and bacteria levels.
Following the 2024 legislative session, the MPCA was charged with appointing a 15-member task force to advise the agency on policy and program opportunities that would increase the recovery of critical materials from end-of-life products.
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.
The Minnesota Pollution Control Agency's Emergency Response Program (ERP) oversees the cleanup of all types of spills and environmental emergencies.
The Long Prairie River Watershed covers approximately 565,078 acres and is located in the central part of the Upper Mississippi River Basin in central Minnesota. The watershed encompasses parts of Douglas, Otter Tail, Todd, Morrison and Wadena counties.
The U.S. EPA has awarded Minnesota $200 million to cut climate pollution from our state’s food systems through the Climate Pollution Reduction Grants program.
Many industrial by-products are good candidates for land application based on their nutrient content.
Reusing and recycling materials from construction and demolition (C&D) can help address pressing disposal and contamination issues in Minnesota, and have significant economic and environmental benefits.
The Minnesota Department of Natural Resources (DNR) and Minnesota Pollution Control Agency (MPCA) sample and test fish in bodies of water where known pollution issues may be a concern for human health through fish consumption.