EPA Air · by county
Air-emissions sources in Will County, Illinois
- 736Facilities
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Every stationary source in Will County, Illinois that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
Every source’s record in Will County
Each of the 734 operating major, synthetic minor and minor sources in Will County, Illinois has a record page: every source in Will County, A to Z.
By emissions classification in Will County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Will County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 inspections 21
- 2025 inspections 67
- 2024 inspections 51
- 2023 inspections 34
- 2022 inspections 43
- 2021 inspections 38
- 2020 inspections 27
- 2019 inspections 31
- 2018 inspections 46
- 2017 inspections 25
Violations in Will County, 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.
- 2026 violations 7
- 2025 violations 6
- 2024 violations 5
- 2023 violations 6
- 2022 violations 9
- 2021 violations 12
- 2020 violations 12
- 2019 violations 10
- 2018 violations 8
- 2017 violations 6
Stack tests in Will County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 10
- 2025 stack tests 13
- 2024 stack tests 8
- 2023 stack tests 6
- 2022 stack tests 7
- 2021 stack tests 12
- 2020 stack tests 8
- 2019 stack tests 12
- 2018 stack tests 10
- 2017 stack tests 9
Inspections in Will County, year by year · Violations in Will County, year by year · Stack tests in Will County, year by year
Other counties in Illinois
Every county in the state with at least three sources on file.
- Schuyler County 18
- Scott County 12
- Shelby County 48
- St. Clair County 328
- Stark County 14
- Stephenson County 84
- Tazewell County 163
- Undetermined County 3
- Union County 15
- Vermilion County 131
- Wabash County 19
- Warren County 37
- Washington County 39
- Wayne County 46
- White County 36
- Whiteside County 110
- Williamson County 76
- Winnebago County 408
- Woodford County 61
Facilities
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.