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$4.85 million to run community air monitoring projects in the 7-county Metropolitan Area (counties of Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington).

The Minnesota State Implementation Plan (SIP) is focused on the six criteria air pollutants regulated by national ambient air quality standards (NAAQS): ground-level ozone, fine particles, lead, nitrogen dioxide, carbon monoxide, and sulfur dioxide.

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.

The MPCA has important roles in protecting and restoring waters in degraded conditions.

Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.

There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…

When people think of sources of air pollution, they typically think about buildings with big smokestacks like power plants and factories. Only about a quarter of the air pollution in Minnesota comes…

Recent air permits issued by the MPCA can be found in What's in My Neighborhood. The tool does not currently include all previously issued air emissions permits. All air emissions permits issued by…

Above and beyond: MPCA recognizes this Minneapolis manufacturer for proactively reducing air emissions and carbon footprint

Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.

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

Groundwater is the source of drinking water for about 75% of all Minnesotans and provides almost all of the water used to irrigate crops. Its purity and availability is critical to the health of the state.

Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.

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

Determine if your facility requires an air permit and, if so, which permit type may be the best fit for your business.

Learn what steps you can take to reduce the pollution from small neighborhood sources.

Forms, guidance, and assistance to apply for an air quality permit.

USG Interiors in Cloquet exceeded nitrogen oxide emissions during the summer of 2022.