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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.

Spilled mercury, even small quantities in the home, should be cleaned up quickly and properly so that people don't come in contact with it or breathe its vapors.

Wild rice is an important part of the biological community in many Minnesota lakes, streams, and wetlands, and a cultural resource to many, particularly members of the Dakota and Ojibwe Tribal Nations in Minnesota.

The StormReady designation recognizes the MPCA’s commitment to emergency management planning and continuity of operations during an emergency.

Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.

Hot mix asphalt plants in Minnesota must follow federal and state air standards.

Businesses can find many ways to increase competitiveness and boost productivity.

Minnesota GreenCorps members serving with the City of Minneapolis developed a mini-course for residents about responsible use of deicing salt.

Initial screening information for a contaminant of emerging concern, perfluorooctane sulfonate.

In the management of construction stormwater, MPCA recognizes Southwest Light Rail Extension project for responsible development through stormwater controls.

The Upper Iowa River is a 156-mile-long tributary of the Mississippi River that rises in Mower County in southeastern Minnesota near the Iowa border. It then flows south through three Iowa counties before flowing into the Mississippi. It drains nearly 641,000 acres (1,005 square miles).

The MPCA tested for PFAS in groundwater at 102 of the 111 sites in the Closed Landfill Program and found that 98% of the assessed facilities have PFAS contamination.

The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.

Environmental information and permits that affect hot mix asphalt plants.

Businesses like grocery, liquor, and convenience stores depend on refrigeration systems. Some of these systems, however, can prove expensive to operate and harmful to the environment.

Image The goal of the MPCA's regulatory programs covering hazardous substances and solid waste is to prevent contamination of land, water, and air by…

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

Minnesota prohibits rechargeable batteries and products with non-removable rechargeable batteries from being disposed of in mixed municipal waste.

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.

Sediment is composed of loose particles of sand, clay, silt, and other substances. Sediment flows into Minnesota lakes, rivers, and streams via runoff in both urban and rural areas.