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1,4-dioxane was mainly used as a stabilizer for chlorinated solvent 1,1,1-trichloroethane. 1,4-dioxane can also be an unintended contaminant in the production of certain products, including some…

The Cedar River Watershed in Minnesota encompasses 454,029 acres in Mower, Freeborn, Dodge, and Steele counties. This watershed covers prime agricultural land with many streams and drainage ditches flowing into the river.

Air sensors are instruments that measure air quality conditions in near real time.

Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.

Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.

The Minnesota River - Mankato Watershed covers 861,886 acres across Cottonwood, Brown, Redwood, Renville, Sibley, Nicollet, Blue Earth, and Le Sueur counties in south-central Minnesota.

Some pollutants attach to suspended particles in the water and subsequently settle out to the bottom sediment. At elevated concentrations, contaminated sediments can contribute to fish…

Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.

Lead-free fishing tackle is not a novelty. We provide this list of vendors that manufacture, retail, or supply nontoxic fishing weights.

The Thief River begins its course in Marshall County at Thief Lake, flowing south/southwest to converge with the Red Lake River.

James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.

Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.

Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.

Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.

Stephen Funk shared his story as part of We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.

We Are Water MN travels to Leech Lake, where Raining White works to protect and restore manoomin, or wild rice.

We Are Water MN travels to Stillwater to focus on the St. Croix River, featuring artwork by painter Kami Mendlik.

Volunteer water monitors collect valuable data used by agencies and organizations across the state to protect and manage Minnesota’s waters.

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.

In addition to the vessel requirements in the EPA VGP and Minnesota’s ballast water general permit, vessels must follow the requirements in Minnesota Statutes and Minnesota’s 401 certification of the VGP.