EPA Air · by state
Air-emissions sources in Wisconsin
- 820Facilities
Every source’s record in Wisconsin
Each of the 778 operating major, synthetic minor and minor sources in Wisconsin has a record page: its classification, its high-priority violation status, its compliance evaluations, violations and stack tests, and its enforcement actions and penalties. Each county below lists its own; or every source in Wisconsin, A to Z.
By emissions classification in Wisconsin
High-priority violations in Wisconsin
86 sources in Wisconsin carry a current high-priority Clean Air Act violation.
Counties in Wisconsin
- Ashland County 3
- Barron County 14
- Brown County 51
- Calumet County 8
- Chippewa County 18
- Clark County 4
- Columbia County 9
- Crawford County 5
- Dane County 45
- Dodge County 17
- Douglas County 10
- Dunn County 10
- Eau Claire County 9
- Fond du Lac County 13
- Grant County 9
- Green County 8
- Jackson County 7
- Jefferson County 18
- Juneau County 7
- Kenosha County 16
- Kewaunee County 8
- La Crosse County 30
- Lincoln County 7
- Manitowoc County 20
- Marathon County 31
- Marinette County 12
- Menominee County 16
- Milwaukee County 50
- Monroe County 46
- Oconto County 14
- Oneida County 6
- Outagamie County 6
- Ozaukee County 21
- Pepin County 3
- Polk County 5
- Portage County 4
- Price County 12
- Racine County 15
- Richland County 15
- Rock County 8
- Rusk County 18
- Sauk County 7
- Sawyer County 3
- Sheboygan County 10
- St. Croix County 6
- Taylor County 12
- Trempealeau County 5
- Undetermined County 11
- Vernon County 6
- Vilas County 3
- Washburn County 4
- Waukesha County 30
- Waupaca County 22
- Waushara County 8
- Winnebago County 9
- Wood County 34
Industries in Wisconsin
Sources are grouped by the first industry code on the facility record.
- Utilities (NAICS 2211) 60
- Mining and quarrying (NAICS 2123) 45
- Plastics and rubber products manufacturing (NAICS 3261) 40
- Waste management and remediation (NAICS 5622) 30
- Paper manufacturing (NAICS 3221) 30
- Primary metal manufacturing (NAICS 3315) 30
- Printing and related support (NAICS 3231) 29
- Fabricated metal product manufacturing (NAICS 3328) 29
- Petroleum and coal products manufacturing (NAICS 3241) 27
- Paper manufacturing (NAICS 3222) 26
- Wood product manufacturing (NAICS 3219) 25
- Chemical manufacturing (NAICS 3251) 23
- Repair and maintenance (NAICS 8111) 17
- Machinery manufacturing (NAICS 3331) 17
- Merchant wholesalers, nondurable goods (NAICS 4247) 16
- Educational services (NAICS 6113) 15
- Fabricated metal product manufacturing (NAICS 3321) 14
- Utilities (NAICS 2213) 13
- Hospitals (NAICS 6221) 12
- Utilities (NAICS 2212) 12
- Machinery manufacturing (NAICS 3339) 12
- Food manufacturing (NAICS 3115) 11
- Fabricated metal product manufacturing (NAICS 3323) 11
- Transportation equipment manufacturing (NAICS 3363) 11
- Merchant wholesalers, durable goods (NAICS 4239) 10
- Furniture and related product manufacturing (NAICS 3371) 10
- Electrical equipment and appliance manufacturing (NAICS 3353) 10
- Fabricated metal product manufacturing (NAICS 3324) 10
- Wood product manufacturing (NAICS 3212) 10
- Fabricated metal product manufacturing (NAICS 3329) 9
- Machinery manufacturing (NAICS 3336) 9
- Primary metal manufacturing (NAICS 3313) 8
- Transportation equipment manufacturing (NAICS 3361) 8
- Chemical manufacturing (NAICS 3255) 8
- Transportation equipment manufacturing (NAICS 3366) 8
- Food manufacturing (NAICS 3116) 8
- Nonmetallic mineral product manufacturing (NAICS 3279) 7
- Personal and laundry services (NAICS 8123) 6
- Machinery manufacturing (NAICS 3334) 6
- Pipeline transportation (NAICS 4862) 6
- Animal production (NAICS 1121) 5
- Transportation equipment manufacturing (NAICS 3362) 4
- Transportation equipment manufacturing (NAICS 3369) 4
- Food manufacturing (NAICS 3119) 4
- Justice, public order and safety (NAICS 9221) 4
- Chemical manufacturing (NAICS 3259) 4
- Chemical manufacturing (NAICS 3254) 4
- NAICS 4529 4
- Nonmetallic mineral product manufacturing (NAICS 3273) 4
- Nonmetallic mineral product manufacturing (NAICS 3274) 4
- Food and beverage retailers (NAICS 4451) 3
- Food manufacturing (NAICS 3112) 3
- Beverage and tobacco manufacturing (NAICS 3121) 3
- Nonmetallic mineral product manufacturing (NAICS 3272) 3
- Chemical manufacturing (NAICS 3256) 3
- Food manufacturing (NAICS 3114) 3
- Rail transportation (NAICS 4821) 3
- Warehousing and storage (NAICS 4931) 3
Air-emissions inspections in Wisconsin, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
High-priority air violations in Wisconsin, by year
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.
Air-emissions stack tests in Wisconsin, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
Facilities
Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for state WI. It lists 820 facilities in WI, 308 facilities in nonattainment areas, and 127 major sources in nonattainment areas.