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Many Wisconsin companies have air pollution control operation permits. If an operation permit has an expiration date on its cover page, it will need to be renewed. All Title V permits (major sources) need to be renewed every five years. Non-Title V operation permits (synthetic minor or minor sources) issued after December 2015 do not have an expiration date and will not need to be renewed. Non-Title V permits that were issued before December 2015 and still have an expiration date will need to be renewed. Once renewed, those Non-Title V permits will be issued as non-expiring permits and will no longer need to be renewed.
For a permit that requires renewal, the facility must submit an application at least six months, but no more than 18 months, prior to the permit’s expiration. For more on the process to renew an operation permit, go to Air permit renewals. For application instructions, refer to the following documents:
Facilities with existing operation permits may have reduced their emissions sufficiently to be eligible for streamlined permit options. For more information, review the Registration tab on the Permit Options page or the Exemptions page.
The SBEAP has added online resources for small agricultural businesses and salvage yards. Depending on the type of operations in use at a particular location there could be air permitting, storm water permitting, wastewater discharge permitting, or requirements related to air quality, storm water, wastewater, solid or hazardous waste management, and spills clean up that must be met.
The Air Quality Trends Report, released this month, shows the air quality in the state continues to improve. The report provides official state monitoring data through 2017 for air pollutants and shows that concentrations of most pollutants regulated under the Clean Air Act have been decreasing over the past decade throughout the state.
Many success stories are highlighted in the report, including reductions in pollutants like sulfur dioxide (SO2), nitrogen dioxide (NO2) and fine particles.
Available in this year’s report is emissions data for criteria and precursor pollutants. The Air Program monitors emissions of pollutants that are either emitted directly from various sources or those that form in the atmosphere via chemical reactions between other emitted pollutants, known as precursors. Wisconsin has seen dramatic reductions in emissions since 2002; in fact, emissions of ozone-forming pollutants (NOx and VOCs) have decreased 50 percent.
The report is available on DNR’s air quality trends webpage, which also includes an interactive map where users can view data from monitoring sites around the state.
To view more information on Wisconsin's air quality, go to DNR's website and search "air quality."
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