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Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?
The U.S. EPA approved Minnesota's Statewide Mercury Total Maximum Daily Load study in March 2007.
The Minnesota Pollution Control Agency's Emergency Response Program (ERP) oversees the cleanup of all types of spills and environmental emergencies.
Sustained efforts by cities and water management organizations have restored water quality in two Dakota County lakes.
The MPCA and the U.S. Environmental Protection Agency (EPA) are working together on an enforcement investigation to address elevated lead emissions at Federal Ammunition in Anoka.
The MPCA uses the EQuIS database to store and manage monitoring data and associated laboratory results from streams, lakes, groundwater, ambient air, soil, sediment, and gas, collected through MPCA programs and partnerships.
What is the blue-green scum that looks like spilled paint?In lakes that are over-enriched with phosphorus and nitrogen, algae tend to prosper and create algae blooms. Blue-green algae and one type in…
Minnesota has enacted laws to end avoidable uses of PFAS in Minnesota by 2032.
Requirements for discharges from a project site and/or management control site(s).
Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.
Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
Regular people are pretty good at judging water quality, and new research from the Minnesota Pollution Control Agency (MPCA) proves it.
Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.
Permits help the MPCA protect the environment.
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.
Apply for the 2025-2026 Minnesota GreenCorps program and spend a year working on environmental issues and making a difference in communities around the state.
For Katy Backes Kozhimannil, water is intrinsically tied to her life’s work. As a professor of public health at the University of Minnesota with a focus on rural communities, she has made it her life…
The MPCA has released Minnesota’s PFAS Blueprint — a strategic, coordinated approach developed by multiple agencies to protect families and communities from per- and polyfluoroalkyl substances (PFAS).
In rules, an incorporation by reference states that the contents of another document are part of the rule, even though the text of the referenced document does not appear in the rule itself.