EPA Air · by county
Air-emissions sources in DuPage County, Illinois
- 918Facilities
Every stationary source in DuPage 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.
By emissions classification in DuPage 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 DuPage 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 14
- 2025 — inspections 20
- 2024 — inspections 18
- 2023 — inspections 29
- 2022 — inspections 21
- 2021 — inspections 22
- 2020 — inspections 15
- 2019 — inspections 38
- 2018 — inspections 12
- 2017 — inspections 15
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| WIELAND METAL SVCS LLC | Minor source | No |
| WILLOW GAS & FOOD INC | Minor source | No |
| WILLOWBROOK CITGO | Minor source | No |
| WILLOWBROOK FORD INC | Minor source | No |
| WILLOWBROOK MOBIL | Minor source | No |
| WINGZ EXPRESS INC | Minor source | No |
| WOOD DALE CITGO | Minor source | No |
| WOOD DALE ROAD INVESTORS LLC | Minor source | No |
| WOOD DALE WWTP | Minor source | No |
| WOODRIDGE CLEANERS | Minor source | No |
| WOODWARD BP | Minor source | No |
| Y-NOT AUTO BODY | Minor source | No |
| YACKLEY CLEANERS | Minor source | No |
| YASIR NAWAZ INC | Minor source | No |
| YORK SHELL | Minor source | No |
| YORKE PRINTE SHOPPE INC | Minor source | No |
| YORKTOWN CLEANERS | Minor source | No |
| ZCOLO LLC - OAK BROOK | Major source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.