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Septic tanks must be registered in Minnesota to ensure they are watertight and have adequate structural integrity.

Study funded by the $850 million settlement that Minnesota reached with 3M in 2018  focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.

Demonstration/research projects (DRPs) allow permittees to explore potential beneficial uses or new methods of solid waste management through a limited-scale project.

Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.

The Lake of the Woods lies on the border between the U.S. and Canada; the watershed covers 734,783 acres.

Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.

The Rainy River - Rainy Lake Watershed covers 583,791 acres. Open water makes up 75,815 of those acres and wetlands occupy another 84,851 acres. The watershed is 64% in St. Louis County and 36% in Koochiching County. The northern boundary is part of the international border waters with Ontario, Canada.

Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.

What is a stormwater catch basin, and should I be worried about it?

MPCA permits are required to both build and operate landfills in Minnesota.

Minnesota businesses, organizations, and municipalities seeking or holding MPCA wastewater permits are charged two basic types of permit fees: application fees and annual fees.

Launched in 2022, the PFAS monitoring plan lays out a path for PFAS monitoring at solid waste, wastewater, and stormwater facilities; hazardous waste landfills; facilities with air emissions; and…

The Mustinka River begins its course southwest of Fergus Falls in southwestern Otter Tail County and flows toward the south into Grant County, where it continues through Stony Brook Lake and Lightning Lake.

Sanimax USA LLC failed to seek a required major air permit amendment and conduct air emissions modeling prior to making changes to its pollution control equipment systems in 2019 at its animal products rendering facility in South St. Paul, Minnesota.

Kate Knuth's career in addressing climate change, which took her to the Minnesota Capitol as a state legislator, has now led her to the MPCA as its new climate director.

Feedlot nutrient and manure management

The 2015 Legislature directed the MPCA to simplify the regulation and administration of work on building sewers connected to septic systems.

Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.

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.

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