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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.
Industrial Stormwater Steps to Compliance - Step 5: Gather application materials before applying, use the e-Service to apply or modify coverage
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.
The MPCA issued a new air quality permit for this manufacturing facility in White Bear Township.
A program to provide sustainable, longer-term funding a select number watersheds to make measurable and visible progress.
The 2015 Legislature directed the MPCA to simplify the regulation and administration of work on building sewers connected to septic systems.
Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.
The chemical 1,4-dioxane, a likely carcinogen, was found in private wells near Bunker Lake Blvd. and Crosstown Blvd.
The chemical 1,4-dioxane, a likely carcinogen, was detected in a private residential well in the Eastbrook Terrace area in Andover.
The Minnesota River - Mankato Watershed covers 861,886 acres across Cottonwood, Brown, Redwood, Renville, Sibley, Nicollet, Blue Earth, and Le Sueur counties in south-central Minnesota.
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.
MPCA's Closed Landfill Program is a voluntary program established in 1994 to properly close, monitor, and maintain Minnesota's closed municipal sanitary landfills.
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A new facility that will process organic materials through anaerobic digesters in Shakopee.
Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.
Our climate has already changed and will continue to change. Minnesotans are feeling impacts of climate change, from higher temperatures, more extreme storms with intense flooding, and changes in our…
Vapor intrusion occurs when chemical vapors migrate from contaminated groundwater through the soil into the basements or foundations of buildings.
The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.
MPCA's fish sampling process and why we do it