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The MPCA administers programs that are governed by 45 chapters of rules. The MPCA periodically conducts a “housekeeping” rulemaking to make minor corrections and clarifications to the rules or to repeal rules that have become obsolete.
The Mississippi River - Brainerd Watershed covers over 1 million acres in the north-central part of the Upper Mississippi River Basin in central Minnesota. The watershed encompasses all or parts of Aitkin, Cass, Crow Wing, Morrison, and Todd counties.
Minnesota GreenCorps member Leslie Alcantar Mejia helped Hennepin County toward its goal of planting 1 million trees during her service term.
Environmental information and permits that affect metal fabrication and finishing businesses.
Investments in electric vehicle charging stations around Minnesota.
The Floristic Quality Assessment (FQA) is a vegetation-based ecological assessment approach that can be used for wetland quality monitoring and assessment.
The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
The MPCA monitors water quality in rivers and streams is several different ways around the state.
New easy-to-access trainings help small businesses figure out if they are subject to MPCA regulations, and how to become more sustainable.
Wastewater treatment plant in Elk River paid a $15,000 fine for consistently discharging fecal coliform and phosphorus into nearby Tibbets Brook.
MPCA offers Climate Resilience Planning grants, with a listing of previous grant winners
Minnesota samples a network of shallow monitoring wells designed to provide early detection of contamination in the groundwater.
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
The MPCA had approximately $1.89 million available to install EV direct current fast-charging stations in public places.
The MPCA sought proposals to conduct a bench study to evaluate the effectiveness and potential dosages of soil amendments at the bench scale to support the analysis, decision making, and planning required to implement remedial actions for the Precision Plating Superfund site
Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.
Dairy will pay a fine and take corrective steps for improperly discharging industrial waste into a city curb and gutter stormwater system in Nicollet County.
A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.
The MPCA sought project proposals to distribute $1.1 million in grants for climate planning projects to small communities with populations of less than 10,000.
MPCA is opening the rule that regulates about 17,000 animal feedlots.