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Volunteers across Minnesota’s 87 counties have been collecting pine needles from coniferous trees in their neighborhoods to help the Minnesota Pollution Control Agency better understand how to protect Minnesotans from PFAS pollution.
This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.
Answers to common questions about the Construction Stormwater Permit application
The MPCA uses the Environmental Quality Information System (EQuIS) to store water quality data from more than 17,000 Minnesota sampling locations.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment
We Are Water MN travels to Chisago County, where Dawn White has served as an educator and policy team member focused on preserving waters.
Environmental information and permits that affect businesses using stationary engines or generators.
One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.
3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.
Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.
What consumers should know about new Minnesota laws prohibiting PFAS in consumer products and the MPCA’s efforts to minimize PFAS pollution by keeping it out of commonly used household products.
Environmental information and permits that affect businesses using boilers.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
MPCA's fish sampling process and why we do it
The MPCA works with industry, government, and residents to reduce and manage waste.
The MPCA sought project proposals to distribute $1.1 million in grants for climate planning projects to small communities with populations of less than 10,000.
Environmental information and permits that affect wood-finishing industries.
Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.
The TMDL is based on 62 impairments for turbidity and total suspended solids along the Minnesota River and its tributaries and in the Greater Blue Earth River basin.