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The MPCA’s role in regulating data centers The MPCA ensures data centers meet strong environmental standards to protect our air, water, and the health of Minnesotans. We monitor and regulate…
MPCA policy recommendations for the upcoming legislative session
The MPCA is developing a sulfate multi-discharger variance (MDV) for wastewater facilities that are currently unable to meet the state water quality standard for sulfate.
In Minnesota, about 18,000 regulated underground storage tanks (UST) are in use. State rules specify requirements for underground storage tanks (UST) that store petroleum or hazardous substances, and any piping or other structures that are part of the tank systems.
We Are Water next visits Ely April 24 through June 16.
The MPCA is offering rebates to small businesses across the state to buy and sell lead-free fishing tackle, part of the state’s Get the Lead Out program
In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.
In 2009, a federal court ruled that NPDES permits were required for all biological and chemical pesticide applications that leave a residue in water when applications are made in, over, or near waters of the United States.
From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.
The chemical 1,4-dioxane, a likely carcinogen, was detected in a private residential well in the Eastbrook Terrace area in Andover.
Carver County and Valley Paving Inc. failed to properly install and maintain erosion and sediment controls during a highway safety improvement project in the fall 2022 and spring 2023 near Watertown, Minn. This caused significant erosion and sediment to impact several area surface waters.
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
MPCA rules govern how septic systems are designed, installed, and managed.
Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.
The MPCA provides funding to local partners to assist with intensive water quality monitoring at approximately 130 long-term river and stream monitoring sites.
It's Septic Smart Week and Minnesota local governments are reporting significant progress in fixing inadequate septic systems around the state.
Findings underscore need to reduce use of “forever chemicals”
Following the 2024 legislative session, the MPCA was charged with appointing a 15-member task force to advise the agency on policy and program opportunities that would increase the recovery of critical materials from end-of-life products.
Mesabi Metallics is currently constructing a new taconite mine and taconite pellet production facility on the site of the former Butler Taconite Mining Company facility near Nashwauk.
Polycyclic aromatic hydrocarbons (PAHs) are a class of more than 100 chemicals that occur naturally in coal, crude oil, and gasoline, and are also present in products made from fossil fuels, such as…