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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 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.
Heavy metals are an ill-defined group of inorganic chemical hazards that include lead, chromium, arsenic, and cadmium. They may leach into soil and water from industrial sites, mines or…
In the management of construction stormwater, MPCA recognizes Southwest Light Rail Extension project for responsible development through stormwater controls.
Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.
Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…
The MPCA’s Smart Salting program helps cut down on chloride pollution by training snowplow drivers and municipalities to use less salt on the roadways.
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…
Clearing ice? Before you reach for the salt bag and begin to scatter, consider using other tools to get the job done that are less toxic to our waterways and our beloved pets, and will save you money.
Testing found elevated levels of tetrachloroethylene/perchloroethylene (PCE or Perc) in soil vapors around the Dison’s Cleaners and Launderers site in Rochester.
Complying with the MS4 general permit
Permit 2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…
Surface water assessment grants (SWAG) provide local organizations and citizen volunteers with funds to complete the monitoring needed to meet assessment requirements on Minnesota lakes and streams. Assessment is usually the first step in protecting or restoring surface waters.
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
Sustainable aviation fuel (SAF) is low-carbon synthetic fuel made from non-petroleum sources that is blended with traditional jet fuel to reduce greenhouse gas emissions from air transportation.
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…
The 2015 Legislature directed the MPCA to simplify the regulation and administration of work on building sewers connected to septic systems.
Minnesota is the first state to require producers fund boat wrap collection and recycling.
Dakota County is now hosting We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.
“Area C” is the name given to Ford Motor Company’s former industrial waste dump on the floodplain of the Mississippi River, at the base of the bluff below the former Twin Cities Assembly Plant in Saint Paul.