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The Redwood River is located in southwestern Minnesota in the counties of Lincoln, Lyon, Murray, Pipestone, Redwood, and Yellow Medicine.
The Chippewa River Watershed covers 2,085 square miles and drains portions of eight counties in west central Minnesota.
MPCA’s community air monitoring pilot grant program will provide $4.85 million to build more networks of community air sensors in the Twin Cities metro area.
Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.
MPCA investigation determined that construction sediment was discharged into the Blue Earth River and a county ditch.
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 Cottonwood River is located in southwestern Minnesota in the counties of Brown, Cottonwood, Lyon, Murray, and Redwood. It begins near Balaton in southwest Lyon County.
Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…
The Minnesota GreenCorps program, coordinated by the MPCA, aims to preserve and protect Minnesota’s environment while training a new generation of environmental professionals.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
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.
Approximately 41,204 miles of streams in Minnesota (49.6% of the total) have been altered in some way by humans. Channelizing, ditching, and damming projects have changed the natural course of…
MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.
Lange Agricultural Systems paid $12,511 for violations of both its hazardous waste and industrial wastewater permits.
MPCA had approximately $250,000 available to reduce emissions of volatile organic compounds (VOCs) through the use of stage 1 vapor recovery systems at gasoline-dispensing facilities throughout Minnesota.
During a residential construction project in Franklin Township in 2024, Capstone Homes and Arnt Construction failed to properly manage construction stormwater activities.
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.
This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.
Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.