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State agencies outline progress on managing PFAS
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.
When temperatures climb, conditions are ripe for Minnesota lakes to produce algae blooms, some of which can be harmful to pets and humans.
MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
Residents' guide to stormwater permitting.
Guidance on NPDES/SDS construction stormwater requirements
Designing stormwater systems to handle the challenges of climate change differs in every community across the state. Here’s how one community is meeting that challenge
MPCA investigation confirms discharges sediment-laden water into the Long Prairie River, in addition to other violations, during construction of CSAH 56 & 38.
Kathy Wagner, recipient of the 2025 Community Conservationist Award from the Minnesota Pollution Control Agency (MPCA) and Minnesota Association of Soil and Water Conservation Districts (MASWCD), discusses her personal conservation work and local environmental advocacy.
The Red Lake River watershed, which covers 909,024 acres, is part of the Red River Basin in northwestern Minnesota. The Red Lake River begins its course in Beltrami County at Lower Red Lake.
Each year, MPCA hires seasonal positions to assist with biological monitoring of streams and wetlands during the summer months.
Enbridge Energy is continuing restoration work around its new Line 3 crude oil pipeline across Minnesota. The new line replaces an aging Line 3 and began operating in October 2021, after Enbridge completed the project’s construction phase.
The Chippewa River Watershed covers 2,085 square miles and drains portions of eight counties in west central Minnesota.
401 Certification process for applying Minnesota water quality standards to federal permitting actions.
The general permits related to wastewater in Minnesota.
The Upper/Lower Red Lake watershed covers more than 1.2 million acres and is home to Upper and Lower Red Lakes, the two largest bodies of water within the state.
More than 600,000 Minnesota homes and businesses use septic systems, treating an estimated 42 billion gallons of wastewater per year. Maintaining these systems is critical to protecting our…
The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.
The city of Owatonna in southern Minnesota is proposing to expand and upgrade its wastewater treatment facility. The MPCA has drafted a permit for the discharged wastewater that would limit several potential pollutants.
The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.