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Wild rice is an important part of the biological community in many Minnesota lakes, streams, and wetlands, and a cultural resource to many, particularly members of the Dakota and Ojibwe Tribal Nations in Minnesota.

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.

Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.

Minnesota industrial stormwater permittees in certain industries to monitor for PFAS in their stormwater runoff or snow.

Addressing excess nutrient levels in Lake Pepin based on the site-specific water quality eutrophication criteria for the lake developed by the MPCA.

To protect human health and the environment, we need to limit the amount of per- and polyfluoroalkyl substances (PFAS) in our waters to safe levels. Safe levels means water can be used for drinking,…

The Clearwater River Watershed drains an area of 886,600 acres in the Red River of the North basin. The river flows to the northwest and southwest, eventually emptying into Red Lake River near Red Lake Falls.

Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.

Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…

For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.

Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.

What is the blue-green scum that looks like spilled paint?In lakes that are over-enriched with phosphorus and nitrogen, algae tend to prosper and create algae blooms. Blue-green algae and one type in…

3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.

The MPCA plans to amend water quality standards (Minn. Rules chapter 7050) affecting Class 2 beneficial uses, which protect surface waters for aquatic life and recreation.

A stormwater system upgrade in Duluth was expanded with the help of an MPCA employee who tapped into available funding. It protects Lake Superior and can serve as an example for other cities and counties.

State agencies, counties, municipalities, nonprofit organizations, and many others are engaged in protecting Minnesota lakes.

Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.

The MPCA today released its environmental assessment worksheet (EAW) for a new facility proposed by Vanguard Organics, LLC that will process organic materials through anaerobic digesters near Litchfield.

Minnesota has a growing salty water problem that threatens its freshwater fish and other aquatic life. Chloride from both de-icing salt and water softener salt gets into lakes and streams, and…

The U.S. EPA approved Minnesota's Statewide Mercury Total Maximum Daily Load study in March 2007.