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The MPCA is authorized to develop numeric water quality criteria that apply specifically to a water body or region where the pollutant is found, using data from that water body or region.

MPCA is opening the rule that regulates about 17,000 animal feedlots.

Important details to help make your e-Service submittal go as smoothly as possible.

BMPs required to manage the slurry to comply with Minnesota statute and agency rules to protect water quality.

Water softeners produce much of the chloride that pollutes Minnesota’s waters. An MPCA grant aims to reduce that pollution with water softener replacement rebate programs.

Minnesotans are encouraged to share feedback through Nov. 9, 2025

“Urban wood,” or wood salvaged from cities, suburbs, and towns, is a growing issue in Minnesota because of severe weather, urban expansion, and the emerald ash borer. Rather than burning the trees as waste, a preferred option for dealing with urban wood involves creating durable wood products like furniture, building materials, and wooden décor.

Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.

Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.

Companies penalized for improperly releasing polluted stormwater at Xcel Energy’s St. Paul Service Center construction site on the east side of Saint Paul.

The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.

Some Minnesota companies are helping expand the use of recycled materials in the state, thanks to market development grants from the MPCA.

The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.

State agencies support Minnesota's sustainable purchasing efforts by using state contracts.

The Legislature has given the MPCA the authority to develop rules to protect state environmental resources.

The general permits related to wastewater in Minnesota.

Groundwater and drinking water in the east Twin Cities metro area is contaminated with PFAS due to 3M's disposal practices at four sites in the area.

ECSWC is applying for a 10-year permit to add MSW capacity to its currently permitted landfill near Mora while conducting environmental review for the unpermitted areas of its landfill expansion.

An electronics collector is a public or private entity that receives electronic devices from households and arranges for the delivery of the devices to a recycler. In Minnesota, electronics…