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Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.
The triennial standards review (TSR) gives the public a formal opportunity to provide wide-ranging comments about water quality standards.
The Minnesota Pollution Control Agency (MPCA) is expanding the ways we learn and understand the effects of pollution on communities and the environment by incorporating lived experiences into our air…
In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.
MPCA investigators say West Fraser paid a fine of $15,775 for air permit violations at their facility in Solway.
Heartland Corn Products failed emission stack tests in November 2021 and February 2022 for volatile organic compounds and particulates at its ethanol production facility in Winthrop, Minn.
Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.
This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.
In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.
Public input is critical to the work that we do. We invite that input by soliciting comments on agency decisions, holding public informational meetings, and more.
The discharges in summer 2024 happened during the construction of the MnDOT truck facility in Eden Prairie, Minnesota.
Central Bi-Products emitted higher levels of hydrogen sulfide than is allowed, causing odor complaints in the community of Long Prairie and resulting in a $3 million fine. Central Bi-Products has agreed to spend a minimum of $4.4 million on a supplemental environmental project that will improve its wastewater treatment.
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.
Frequently asked questions about SSTS certification and licensing.
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.
MPCA investigation determined Derek Vekich committed stormwater and wetland violations in 2024.
St. Paul Brass manufactures brass, bronze, and aluminum castings in the Frogtown neighborhood of Saint Paul, an environmental justice area.
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
Perchloroethylene or tetrachloroethylene (PCE or Perc) is chlorinated solvent used in a variety of processes as a solvent and degreaser. When released in the environment, some PCE will evaporate…