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

Chloride is a problem for wastewater facilities and stormwater permittees.

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.

The Red River of the North - Grand Marais Creek watershed covers 298,264 acres and is part of the Red River Basin in northwestern Minnesota and southeastern North Dakota.

The Lower Red River watershed (also known as the Red River of the North - Tamarac River) drains an area of 281,000 acres, including parts of Kittson, Marshall, and Roseau counties.

The Crow Wing River Watershed is located in north-central Minnesota and covers approximately 1,946 square miles within the counties of Becker, Cass, Clearwater, Crow Wing, Hubbard, Morrison, Otter Tail, Todd, and Wadena.

The Minnesota portion of the Roseau River watershed covers 774,197 acres; an additional 594,560 acres are across the U.S. border in Canada.

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.