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While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.

The South Fork Crow River watershed covers 818,428 acres. It is located in south-central Minnesota and encompasses parts of Kandiyohi, Renville, Meeker, McLeod, Sibley, Wright, Carver, and Hennepin counties.

Minnesota participates in this statistical survey of the condition of our nation's lakes, ponds, and reservoirs.

The MPCA has begun work to implement a groundbreaking new law to remedy Minnesotans’ disproportionate exposure to pollutants.

Located in south-central Minnesota, the Le Sueur River flows 111 miles through a gently rolling landscape, most of it farmland, until it cuts down through high bluffs to the Blue Earth River.

The Nemadji River watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.

Businesses can find many ways to increase competitiveness and boost productivity.

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

Chloride is a problem for wastewater facilities and stormwater permittees.

The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.

Requirements for discharges from a project site and/or management control site(s).

Permit addresses the most common causes of contaminated groundwater, including releases of petroleum, volatile organic compounds, and other hazardous substances.

Regulatory certainty is an incentive for municipalities that will employ biological nutrient removal in their wastewater treatment technology, and that are willing to accept a nitrogen limits in…

Homeowners association’s wastewater treatment plant in Elk River pays civil penalty for discharges of pollutants into an impaired water body.