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MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.
In 2010, the MPCA began receiving public inquiries about projects to mine silica sand for use in hydraulic fracturing, or “fracking,” a drilling method used for natural gas and oil wells.
Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.
Petroleum spills from pipelines, trains, trucks, storage tanks, and other sources have damaged natural resources throughout Minnesota.
Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.
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.
Technical assistance to small, rural, and Tribal wastewater facilities
Ely Community Resources was recognized for it programs that engage young people in natural resource education and conservation.
The MPCA sought proposals from qualified responders to conduct an environmental forensics evaluation using non-targeted analysis techniques for identifying sources of non-aqueous film forming foam (non-AFFF) per- and polyfluoroalkyl substances (PFAS) contamination in water.
Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.
A dedicated stakeholder advisory group was assembled from sectors that will be affected by PFAS at remediation sites to establish guidance for PFAS investigation and cleanup.
MPCA sought proposals from qualified environmental contractors for a contract to support the agency's Watershed Division on statewide, basin-wide, water body, and watershed scale projects.
Permit addresses the most common causes of contaminated groundwater, including releases of petroleum, volatile organic compounds, and other hazardous substances.
Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.
The triennial standards review (TSR) gives the public a formal opportunity to provide wide-ranging comments about water quality standards.
MPCA evaluates water quality by measuring and monitoring the health of fish, macroinvertebrates, and plants.
The Regional Haze Rule requires states to improve visibility in our nation's national parks and wildernesses (Class I areas) and restore them to natural visibility conditions by 2064.
From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.
The chemical 1,4-dioxane, a likely carcinogen, was detected in a private residential well in the Eastbrook Terrace area in Andover.
Northshore Mining operates the Peter Mitchell Mine, a taconite ore mining operation, in Babbitt. It sends the ore that it mines there via rail to a processing plant in Silver Bay, which is a separate facility with its own individual air permit.