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Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.

Information about the work to clean up the pollution from over 100 years of unregulated development and industrial practices.

PFAS are persistent and problematic chemicals that are found throughout the environment and not just in areas where large quantities have been manufactured, disposed of, or spilled. PFAS are…

Environmental information and resources for the aggregate industry.

State and community leaders visited Faribault and Northfield to observe Minnesota climate resiliency efforts in action.

In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.

Minnesota’s Continuous Nitrate Sensor Network generates publicly available water quality data on nitrate levels in our surface water.

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.

Pretreatment by commercial facilities and other non-domestic wastewater sources removes harmful pollutants before the wastewater is discharged to a municipal sewer system. The U.S. EPA has delegated MPCA the authority to approve pretreatment programs at the local level and oversee statewide pretreatment activities.

PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.

Study funded by the $850 million settlement that Minnesota reached with 3M in 2018  focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.

The chemical 1,4-dioxane, a likely carcinogen, was detected in a private residential well in the Eastbrook Terrace area in Andover.

The MPCA sought a contractor to lead the effort to identify and replace Tribal members' old wood stoves that are not certified by the U.S. EPA.

MPCA Commissioner Katrina Kessler and Department of Agriculture Commissioner Thom Petersen reflected on the theme of National Ag Day 2023 — “Growing a Climate for Tomorrow” — and ways Minnesotans can support the future of Minnesota farms.

The MPCA intends to repeal Minnesota Rules, parts 7023.0150, 7023.0200, 7023.0250, and 7023.0300 relating to Clean Cars Minnesota (CCM).

Wastewater treatment and disposal are important for protecting and preserving Minnesota's water resources. MPCA regulates wastewater treatment activities in Minnesota.

Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.

What is a stormwater catch basin, and should I be worried about it?

Through a certificate of need process, MPCA is offering existing landfills the opportunity to expand their existing capacity.

The Minnesota Pollution Control Agency is committed to ensuring that every Minnesotan has healthy air, sustainable lands, clean water, and a better climate.