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Details on major and minor modifications of a solid waste management facility permit.
The Otter Tail River Watershed encompasses three different ecoregions, covering more than 1.2 million acres in west-central Minnesota.
MPCA policy recommendations for the upcoming legislative session
The MPCA studies, monitors, and regulates numerous water pollutants to protect human health and the environment. At the state level, three agencies share the monitoring and control of pollutants:the…
Public input is critical to the work that we do. We invite that input by soliciting comments on agency decisions, holding public informational meetings, and more.
Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.
A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.
Application forms and instructions for applying for wastewater permits.
The effects of contaminants of emerging concern (CECs) on fish, wildlife, and humans are only partly understood. The MPCA has been collecting occurrence data for a diverse set of CECs, but toxicity…
This TMDL addresses 39 stream and river reaches in the Lower Mississippi and Cedar River basins with excess levels of fecal coliform.
Most AST systems that contain liquid capable of polluting the waters of the state are subject to state rules and permits.
The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.
The MPCA is granting $4.4m from VW settlement funds to replace dirty diesel trucks with cleaner drivetrains. Similar previous grants show how the program works.
The Red River of the North - Sand Hill River Watershed covers 708,469 acres and is part of the Red River Basin in northwestern Minnesota and southeastern North Dakota.
The St. Louis River Watershed covers 3,584 square miles at the head of the Great Lakes and represents the extreme headwaters of the St. Lawrence River.
Rundown of all the PFAS legislative wins from the most recent legislative session.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
The Rum River Watershed covers 997,060 acres in east-central Minnesota, covering parts of Aitkin, Crow Wing, Morrison, Mille Lacs, Kanabec, Benton, Isanti, Chisago, Sherburne, and Anoka counties.
Guidance for solid waste facilities
State and federal permits and regulations that are designed to protect groundwater and surface water (lakes, rivers, streams, and wetlands) apply to specific facilities and processes that could pose…