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The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.
State will begin engagement next month on an updated framework set to be released in 2025
A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.
The MPCA is seeking public comment on a draft wastewater permit and accompanying environmental assessment worksheet for a project that combines treatment facilities for five Wright County communities and improves water quality in the Crow River.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.
For related studies and Technical Advisory Team meeting notes, visit this document sharing site.
Details on Minnesota state contracts with businesses that provide environmental emergency response services.
The Mississippi River - La Crescent Watershed drains 95 square miles in Houston and southeast Winona counties, an area defined by wooded bluffs and spring-fed cold-water streams that flow directly to the Mississippi River.
The Mississippi River - St. Cloud Watershed covers 691,200 acres (1,080 square miles) in the south-central part of the Upper Mississippi River Basin. The watershed includes all or parts of the counties of Benton, Meeker, Mille Lacs, Morrison, Sherburne, Stearns, and Wright.
Protecting and restoring water quality is one of the MPCA's core areas of focus.
The Mississippi River - Twin Cities Watershed is 656,990 acres and lies almost entirely in the North Central Hardwoods Forest ecoregion in the Mississippi River Basin. The watershed contains 1,320 stream miles and 380 lakes. More than 1.8 million people live in this watershed.
The Bois de Sioux River Watershed covers 718,685 acres, and includes the drainage basins of Lake Traverse and the Bois de Sioux River.
The Shell Rock River begins at Albert Lea Lake in Freeborn County in south-central Minnesota, a few miles from the Iowa border. It flows 113 miles into Iowa, where it enters the Cedar River. In Minnesota, the Shell Rock drains 246 square miles (160,000 acres), all in Freeborn County.
The Little Sioux River Watershed covers more than 1.8 million acres in southwestern Minnesota. Its small prairie streams flow through the southern portions of Nobles and Jackson counties and into Iowa.
The Burnsville Sanitary Landfill (BSL) will expand to accommodate the growing municipal waste needs of the Twin Cities metro area. The expansion is part of the landfill’s long-term plan to extend the useful life of the landfill to 2062.
The Mississippi River - Grand Rapids Watershed covers 1,3 million acres and contains 1,908 miles of stream/rivers and 552 lakes greater than 10 acres. The watershed drainage comprises parts of the counties of Aitkin, Carlton, Cass, Itasca, and St. Louis.
MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.
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 Mississippi River - Lake Pepin Watershed includes 205,747 acres that drain several small, coldwater streams in bedrock-dominated bluff country.