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Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.
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.
Solving the problem of oversalted sidewalks is elementary!
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.
Eight grant recipients will receive $302,173 for projects that will make the state’s soil healthier and reduce the emission of greenhouse gases. All are focused on composting organic waste in multi-resident housing.
When temperatures climb, conditions are ripe for Minnesota lakes to produce algae blooms, some of which can be harmful to pets and humans.
Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.
Groundwater is the source of drinking water for about 75% of all Minnesotans and provides almost all of the water used to irrigate crops. Its purity and availability is critical to the health of the state.
A gateway to common regulatory information that affects stationary engines.
The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.
A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.
Minnesota passed a law in 2023 that restricts the use of lead and cadmium in 15 categories of consumer products, including toys and school supplies.
The Rainy River - Headwaters Watershed covers nearly 1.9 million acres, starting in northern Cook and Lake Counties and flowing west/northwesterly into St. Louis County and the Canadian border waters.
We Are Water MN travels to Leech Lake, where Raining White works to protect and restore manoomin, or wild rice.
The We Are Water MN exhibit at Art in Motion on the Lake Wobegon Trail in Holdingford runs from April 25 through June 17.
All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.
Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.
Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.