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Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.

Data shows that ice cover on Minnesota's lakes doesn't last as long as it used to. That means a shorter ice fishing season, yes, but it also has implications for the environment and Minnesota's fish and wildlife.

Testing found elevated levels of tetrachloroethylene/perchloroethylene (PCE or Perc) in soil vapors around the Dison’s Cleaners and Launderers site in Rochester.

Elevated levels of trichloroethylene (TCE) are present in soil, soil vapor, and groundwater around this site in New Hope.

The Southern Minnesota Beet Sugar Cooperative emitted higher levels of hydrogen sulfide than allowed from its Renville facility, resulting in a $1.15 million fine following an MPCA investigation.

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.

Elevated levels of tetrachloroethylene and trichloroethylene have been found in soil vapor around this site in St. Paul.

MPCA is planning new rules governing how the MPCA determines currently unavoidable uses of per- and polyfluoroalkyl substances (PFAS) in products.

Four watershed scientists had an article published in LakeLine magazine. They report on 20 years of success getting lakes cleaned up.

MPCA’s work on the climate-smart food systems grant from the EPA is ongoing amid strong interest

A 2008 law requires the MPCA to analyze and consider “cumulative levels and effects of past and current pollution” for air permits in a specific part of south Minneapolis.

Chemicals in the air toxics emission inventory.

Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.

An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.

Any facility that is engaged in a narrative activity or a primary SIC code, as listed in the Multi-Sector General Permit, needs to apply for industrial stormwater permit coverage or certify for No Exposure.

The frequent wildfires in California and elsewhere, brought on by climate change, are affecting air quality for thousands of miles. That includes Minnesota.

Groundwater is not a static thing, but moves around in the layers of rock and soil beneath our feet. How does this affect the work to treat contaminated groundwater and protect drinking water?

The MPCA has developed guidance on a number of topics to assist real estate developers, environmental engineers, remediation consultants, and others in addressing brownfields and contaminated sites.

Profile on Bridging, a Twin Cities based nonprofit that keeps goods with more life out of landfills and that donates them to families in need.

This feature summarizes findings from four WRAPS reports in 2024: Root River, Mississippi River-St. Cloud, Pomme de Terre River, and Mississippi River-Lake Pepin Tributaries.