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Determine if your facility requires an air permit and, if so, which permit type may be the best fit for your business.
A gateway to common regulatory information that affects stationary engines.
States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…
Environmental information and permits that affect hot mix asphalt plants.
Residents' guide to stormwater permitting.
Minnesota's strategic, coordinated approach to protecting families and communities from per- and polyfluoroalkyl substances.
The MPCA closed 118 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2023.
Information about the work to clean up the pollution from over 100 years of unregulated development and industrial practices.
Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.
Application fees must be submitted with your permit application. The submittal cover page form will help you add up the points assigned to each type of permit application or request. Multiply the…
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Air sensors are instruments that measure air quality conditions in near real time.
The U.S. EPA has awarded Minnesota $200 million to cut climate pollution from our state’s food systems through the Climate Pollution Reduction Grants program.
BMPs required to manage the slurry to comply with Minnesota statute and agency rules to protect water quality.
Minnesota passed a law in 2023 that restricts the use of lead and cadmium in 15 categories of consumer products, including toys and school supplies.
Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.
Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…
All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.
Countless bacteria can be found in land, water, humans, and animals. Most bacteria are beneficial, serving as food for larger organisms and playing critical roles in natural processes such as organic…
Ready-to-run meteorological data suitable for AERMOD.