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Minnesota industrial stormwater permittees in certain industries to monitor for PFAS in their stormwater runoff or snow.
A successful cleanup of contaminated land along the Cedar River in Austin caps a long history of industrial pollution.
The TMDL is based on 62 impairments for turbidity and total suspended solids along the Minnesota River and its tributaries and in the Greater Blue Earth River basin.
Stormwater runoff is a leading source of water pollution, and the state general permit is designed to reduce the amount of sediment and other pollutants entering state waters.
The Olmsted Soil and Water Conservation District's Soil Health Farm demonstrates how farmers can benefit from practices that also provide resilience to climate change.
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
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…
Community wastewater treatment facilities and their operators play a critical role in maintaining a health community and preserving and protecting our waters.
MPCA has released the first in a series of reports on industrial uses of PFAS in Minnesota and identifying alternatives.
The Lake Superior - South Watershed covers 402,371 acres.
Throughout her life, Jen Widmer has felt a deep connection to wetlands. As a child, she played broomball on the ice of a wetland near her home. She once attempted swimming in the wetland but was…
Mercury is a naturally occurring element that is toxic to humans and animals. At room temperature, mercury is a silvery, liquid metal, but it can also evaporate and become airborne. Mercury does not…
Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
Financial assistance for SSTS work is targeted to units of local government.
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.
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.
This watershed is located in the southeastern tip of Minnesota, known for its scenic bluffs. More than 900,000 acres drain to the Mississippi River at Reno, Minn., but only 117,000 of those acres are in Minnesota.
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.
A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.