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Wastewater treatment and disposal are important for protecting and preserving Minnesota's water resources. MPCA regulates wastewater treatment activities in Minnesota.
MPCA guidance on petroleum site investigation and remediation, reporting, and more.
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…
Volatile organic compounds (VOCs) are a group of chemicals that can vaporize into air. VOCs are in thousands of daily use products, including paint, varnish, wax, and various cleaning, degreasing,…
State government agencies, in collaboration with local partners, are leading trailblazing work to protect Minnesotans from per- and polyfluoroalkyl substances (PFAS) pollution.
Healthy land and soil is essential for thriving Minnesota communities. It drives economic development and opportunity, improves our health, and contributes to clean water for drinking and recreation…
MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.
MPCA permits are required to both build and operate landfills in Minnesota.
The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.
The MPCA announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.
Feedlot nutrient and manure management
Based on volume, construction and demolition debris presents a big opportunity for reducing waste and its environmental effects.
Green Plains Fairmont, LLC paid $14,175 for an ethanol spill that lasted four days and contaminated groundwater.
The Lower St. Croix Watershed covers 585,735 acres and is located in northwest Wisconsin and east-central Minnesota.
Our strategic plan has six broad goals that, when taken together, map our work for five years. MPCA’s strategic plan guides the agency’s work from Jan. 1, 2024, to Dec. 31, 2028. These goals are…
MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.
After many years of investigation, design work and construction, the Great Lakes Legacy Act remediation projects at these sites near Duluth, Minnesota, are complete.
The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.
Protecting and restoring water quality is one of the MPCA's core areas of focus.
First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.