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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 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.

The Minnesota Pollution Control Agency (MPCA) does not discriminate on the basis of race, color, national origin, disability, age, or sex in administration of its programs or activities, and, MPCA does not intimidate or retaliate against any individual or group because they have exercised their rights to participate in actions protected, or oppose actions prohibited, by 40 C.F.R. Parts 5 and 7, or for the purpose of interfering with such rights.

When temperatures climb, conditions are ripe for Minnesota lakes to produce algae blooms, some of which can be harmful to pets and humans.

The Duluth Urban Area Watershed is a focused geographic area designed to recognize the complexity and challenges in an urban center with a water-rich environment. It is defined by a series of small watersheds that are portions of three major watersheds.

Pig’s Eye Dump in Saint Paul has been slated for cleanup and restoration.

One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.

Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program

Bagnado, a 25-foot-tall spinning tornado of plastic bags, will return to Eco Experience at the Minnesota State Fair

The MPCA created a statewide inventory of streams that have been hydrologically modified: channelized, ditched, or impounded

Learn what you can do to protect yourself and your community from environmental problems caused by flooding.

Vapor intrusion occurs when chemical vapors migrate from contaminated groundwater through the soil into the basements or foundations of buildings.

Hot, sunny weather brings the possibility of air quality alerts due to ozone. But what exactly is ozone?

Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.

The enduring nature of PFAS in the environment makes it important to give special consideration to products containing PFAS when it comes time to throw them out.

Image Climate change is having a profound impact on Minnesota's natural environment. Many of our state's iconic native plants and animals — from birch…

Warming temperatures and increased rains caused by climate change continue to have real impacts on farms across Minnesota. Our agriculture industry will also play an important role in reducing the amount climate change causing pollution we produce as a state.

Guidance for small businesses on reporting air emissions.

The MPCA administers programs that are governed by 45 chapters of rules. The MPCA periodically conducts a “housekeeping” rulemaking to make minor corrections and clarifications to the rules or to repeal rules that have become obsolete.

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…