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The Minnesota Pollution Control Agency (MPCA) has canceled portions of the current air quality alert for western and southern Minnesota. The alert runs until 11 p.m. on Friday, July 25. Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for everyone, in east central Minnesota, and the orange AQI category, a level considered unhealthy for sensitive groups, across the remainder of the alert area.

Our strategic plan has six broad goals that, when taken together, map our work for five years. MPCA’s strategic plan guides the agency’s work from Jan. 1, 2024, to Dec. 31, 2028. These goals are…

Whether they are called sloughs, swamps, bogs, or potholes, these are all wetlands and they provide many environmental benefits and contribute to watershed health. Though Minnesota has lost almost half of its wetland acreage over time, the quality of the remaining wetlands is good overall.

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

Addressing excess nutrient levels in Lake Pepin based on the site-specific water quality eutrophication criteria for the lake developed by the MPCA.

A permit by rule (PBR) means a facility or activity meets the requirements outlined in Minnesota rules and is deemed to have obtained a solid waste management facility permit without making application for it.

All distribution media products must be registered with the MPCA.

In karst landscapes, the distinction between groundwater and surface water is blurry.

MPCA keeps its public data easily accessible for convenient use.

Waterways in the northeastern part of the state are generally in better condition than those in the southern, central, and western regions.

Volkswagen settlement dollars are funding the replacement of older, dirtier diesel engines with newer, cleaner equipment.

For Katy Backes Kozhimannil, water is intrinsically tied to her life’s work. As a professor of public health at the University of Minnesota with a focus on rural communities, she has made it her life…

Minnesota rules identify 16 standing beneficial uses for which waste generators or end users can simply follow the applicable rules without contacting the MPCA.

The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.

Some facilities may have air emissions low enough to qualify as "insignificant," and not be required to have an air permit.

In rules, an incorporation by reference states that the contents of another document are part of the rule, even though the text of the referenced document does not appear in the rule itself.

Distribution media include both public domain products like aggregate or drainfield rocks, and proprietary products like expanded polystyrene aggregate and chambers.

Septic system owners are responsible for system maintenance. Properly maintaining a septic system will extend its life.

In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.

The Rapid River watershed covers 573,060 acres in northern Minnesota. Over 79% of the land in the watershed is owned or managed by state entities.