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PFAS are persistent and problematic chemicals that are found throughout the environment and not just in areas where large quantities have been manufactured, disposed of, or spilled. PFAS are…
The MPCA's chloride reduction program assists communities and organizations across Minnesota in identifying sources of chloride.
The Minnesota River - Yellow Medicine River Watershed (1.3 million acres) has traditionally been managed as two separate watersheds, the Hawk Creek Watershed to the north of the Minnesota River and the Yellow Medicine River Watershed to the south.
Finding ways to keep stormwater on land and let it soak into the ground can lessen the negative effects on water quality from stormwater.
MPCA municipal wastewater permit staff
The Cannon River Watershed is located south of the Twin Cities and encompasses areas of Dakota, Goodhue, Le Sueur, Steele, Rice and Waseca counties.
An MPCA investigation determined David Heinonen of Grand Rapids filled in 3,200 square feet of wetland near Horsehead Lake in Itasca County without prior approval and engaged in unpermitted construction activities on 1.57 acres on the shore of Horsehead Lake.
The TMDL is based on 62 impairments for turbidity and total suspended solids along the Minnesota River and its tributaries and in the Greater Blue Earth River basin.
In karst landscapes, the distinction between groundwater and surface water is blurry.
While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.
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.
The MPCA monitors water quality in rivers and streams is several different ways around the state.
Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?
Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.
The Rock River watershed covers more than 1 million acres in Rock, Nobles, Pipestone and Murray counties in southwestern Minnesota. It is the largest of the four watersheds in Minnesota that are part of the Missouri River Basin, extending south into Iowa.
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
The Olmsted Soil and Water Conservation District's Soil Health Farm demonstrates how farmers can benefit from practices that also provide resilience to climate change.
Minnesota state agencies and local governments are working together to protect drinking water supplies.
The MPCA has a variety of educational displays, programs, and materials about chloride pollution. We encourage our partners to utilize these resources to engage with their community.
Solving the problem of oversalted sidewalks is elementary!