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1,4-dioxane was mainly used as a stabilizer for chlorinated solvent 1,1,1-trichloroethane. 1,4-dioxane can also be an unintended contaminant in the production of certain products, including some…
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.
Mercury is a naturally occurring element that is toxic to humans and animals. At room temperature, mercury is a silvery, liquid metal, but it can also evaporate and become airborne. Mercury does not…
The MPCA studies, monitors, and regulates water pollutants to protect human health and the environment. Minnesota water quality standards strives to protect water for use, measures health of waters, and guides limits on what regulated facilities can discharge to surface waters.
Unsuspecting homeowners everywhere are falling victim to vampires…energy vampires! Find out how to slay these energy vampires by turning off electronic devices that keep drawing power even when they are turned off.
Responding to complex, technical product specificationsAsk questions! Use the Q&A process outlined in the Request for Proposal (RFP) or Request for Bid (RFB)Some sustainability improvements lead…
Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.
Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.
One of the most basic forms of air pollution, haze reduces visibility in many cities and scenic areas within the United States. Haze-causing pollutants come from a variety of sources, both natural and man-made, including motor vehicles, electricity generation, industrial facilities, agriculture, and wildfires.
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,…
Elk River Landfill, Inc. proposes a northward expansion of its landfill into Livonia Township.
This page provides assistance for local units of government with development and implementation of their SSTS program.
The Minnesota River - Mankato Watershed covers 861,886 acres across Cottonwood, Brown, Redwood, Renville, Sibley, Nicollet, Blue Earth, and Le Sueur counties in south-central Minnesota.
The MPCA takes reasonable measures to ensure meaningful communication with individuals who are not proficient in English.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
Best practices for SSTS installations drafted by St. Louis County, Minn., in 2008 based on the experiences of SSTS installers and inspectors.
Details on sampling and monitoring requirements of your industrial stormwater permit.
MPCA solicited proposals from qualified contractors to research and report on the projected costs of climate change adaptation and resilience measures needed to mitigate the projected impacts in Minnesota.
The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans