EPA Air · by county
Air-emissions sources in Montgomery County, Maryland
- 1,332Facilities
Every stationary source in Montgomery County, Maryland 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 Montgomery 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 Montgomery 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 12
- 2025 — inspections 15
- 2024 — inspections 47
- 2023 — inspections 45
- 2022 — inspections 41
- 2021 — inspections 31
- 2020 — inspections 31
- 2019 — inspections 34
- 2018 — inspections 49
- 2017 — inspections 66
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| WISCONSIN AVENUE, 7315 | Minor source | No |
| WISCONSIN AVENUE, 7401 | Minor source | No |
| WISCONSIN AVENUE, 7720 | Minor source | No |
| WISCONSIN AVENUE, 7758 | Minor source | No |
| WISCONSIN AVENUE, 8200 | Minor source | No |
| WISCONSIN CIRCLE - 35 | Minor source | No |
| WOOD ACRES ELEMENTARY SCHOOL | Minor source | No |
| WOOD, EARLE B. MIDDLE SCHOOL | Minor source | No |
| WOODFIELD COUNTRY STORE | Minor source | No |
| WOODFIELD ELEMENTARY SCHOOL | Minor source | No |
| WOODLEY GARDENS CLEANERS | Minor source | No |
| WOODLEY GARDENS ELEMENTARY SCHOOL | Minor source | No |
| WOODLIN ELEMENTARY SCHOOL | Minor source | No |
| WOODMONT AVENUE, 8120 | Minor source | No |
| WOODMONT COUNTRY CLUB - ROCKVILLE | Minor source | No |
| WOODMOOR SERVICE CENTER | Minor source | No |
| WOODMORE BRANCH POST OFFICE | Minor source | No |
| WOODSIDE UNITED METHODIST CHURCH | Minor source | No |
| WOODWARD, CHARLES W. HIGH SCHOOL | Minor source | No |
| WOODWIDE ELEMENTARY SCHOOL | Minor source | No |
| WOOLWORTH, F.W. | Minor source | No |
| WOOTON HIGH SCHOOL | Minor source | No |
| XTRA GAS - 10101 COLESVILLE ROAD | Minor source | No |
| XTRA MART | Minor source | No |
| XTRA MART GAS STATION | Minor source | No |
| Y M C A - AYRLAWN | Minor source | No |
| Y M C A - BETHESDA | Minor source | No |
| YELLOW BAG CLEANERS | Minor source | No |
| YOUNG CLEANERS | Minor source | No |
| ZAMORA'S AUTO BODY | Minor source | No |
| ZAMORA'S AUTO BODY - EAST GUDE DRIVE | Minor source | No |
| ZIPS DRY CLEANERS | Minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.