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Community wastewater treatment facilities and their operators play a critical role in maintaining a health community and preserving and protecting our waters.
Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.
Profile of Karl Scheuer, a volunteer with the MPCA's Volunteer Water Monitoring Program
The MPCA monitors water quality in rivers and streams is several different ways around the state.
Trichloroethylene (TCE) is a man-made chemical commonly found in wood finishes, glues and adhesives, paint or paint removers, and spot and metal cleaners. Exposure can have significant effects…
Environmental information and permits that affect businesses using stationary engines or generators.
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.
Sulfur dioxide (SO2), a foul-smelling toxic gas, is part of a larger group of chemicals called sulfur oxides. These gases, especially SO2, are emitted by the burning of fossil fuels or other…
The We Are Water MN exhibit at Art in Motion on the Lake Wobegon Trail in Holdingford runs from April 25 through June 17.
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.
Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.
Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment
SSTS inspections determine if the design and installation meet code requirements and whether the system is functioning properly to protect public health and groundwater.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
We come from the stars Nibi Walks: A prayer for the water
Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.
The MPCA's chloride reduction program assists communities and organizations across Minnesota in identifying sources of chloride.
In early 2024, Minnesota became the first U.S. state to establish a product stewardship program for boat wrap, which must provide free collection, transportation, reuse, recycling, and disposal.
A training and certification program for evaluating aquatic life in Minnesota’s rivers and streams.
An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.