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 |
|---|---|---|
| ROCKVILLE PIKE, 1001 | Minor source | No |
| ROCKVILLE PIKE, 10310 | Minor source | No |
| ROCKVILLE PIKE, 10500 | Minor source | No |
| ROCKVILLE PIKE, 11119 | Minor source | No |
| ROCKVILLE PIKE, 11400 | Minor source | No |
| ROCKVILLE PIKE, 11801 | Minor source | No |
| ROCKVILLE PIKE, 611 | Minor source | No |
| ROCKVILLE PROFESSIONAL CENTER | Minor source | No |
| ROCKVILLE RADIATOR SHOP/AUTO REPAIR | Minor source | No |
| ROCKVILLE UNITED METHODIST CHURCH | Minor source | No |
| ROCKVILLE WATER FILTRATION PLANT | Minor source | No |
| ROEDER ROAD, 700 | Minor source | No |
| ROEDER ROAD, 818 | Minor source | No |
| ROLLING TERRACE ELEMENTARY SCHOOL | Minor source | No |
| ROLLING WOOD ELEMENTARY SCHOOL | Minor source | No |
| ROLLINS CLEANERS | Minor source | No |
| ROMANCE CLEANERS | Minor source | No |
| ROSE CLEANERS | Minor source | No |
| ROSEMARY HILLS ELEMENTARY SCHOOL | Minor source | No |
| ROSEMONT ELEMENTARY SCHOOL | Minor source | No |
| ROYAL AUTO BODY | Minor source | No |
| RUGBY AVENUE, 4827 | Minor source | No |
| RUGBY AVENUE, 4833 | Minor source | No |
| RUSSELL AVENUE, 702 | Minor source | No |
| RUSSELL CLEANERS | Minor source | No |
| RYDER TRUCK RENTAL | Minor source | No |
| S. AND V. CORPORATION | Minor source | No |
| SAFETY-KLEEN SERVICE CENTER | Minor source | No |
| SAM'S CUSTOM AUTO BODY | Minor source | No |
| SANDBURG, CARL ELEMENTARY SCHOOL | Minor source | No |
| SANDY SPRING FRIENDS SCHOOL | Minor source | No |
| SANGAMORE ROAD, 4511-4521 | Minor source | No |
| SANGAMORE ROAD, 4701 | Minor source | No |
| SARGENT CLEANERS | Minor source | No |
| SASSY CLEANERS | Minor source | No |
| SCHUSTER, DANIEL - TEMPORARY | Minor source | No |
| SCHUYLER ROAD, 100-102 | Minor source | No |
| SCHUYLER ROAD, 108-110 | Minor source | No |
| SCUDERI AUTO BODY | Minor source | No |
| SEARS ROEBUCK - 10301 WESTLAKE DRIVE | Minor source | No |
| SEARS ROEBUCK - 7103 DEMOCRACY BLVD. | Minor source | No |
| SEARS ROEBUCK - 7111 WESTLAKE TERRACE | Minor source | No |
| SEARS ROEBUCK AND COMPANY | Minor source | No |
| SECURITY LANE, 5515 | Minor source | No |
| SEMINARY CLEANERS | Minor source | No |
| SENECA VALLEY HIGH SCHOOL | Minor source | No |
| SENECA WASTEWATER TREATMENT PLANT | Minor source | No |
| SENTINEL DRIVE, 5005-5007 | Minor source | No |
| SERVICE KING AUTO BODY | No | |
| SEVEN LOCKS ELEMENTARY SCHOOL | Minor source | No |
| SHA GAS STATION | Minor source | No |
| SHA GAS STATION | Minor source | No |
| SHADY GROVE ADV HOSP | Minor source | No |
| SHADY GROVE ADVENTIST HOSPITAL | Synthetic minor source | No |
| SHADY GROVE ROAD, 15825 | Minor source | No |
| SHEA, J.F. COMPANY | Minor source | No |
| SHEEHY FORD | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL | Minor source | No |
| SHELL - 7545 WISCONSIN AVENUE | Minor source | No |
| SHELL - MOTIVA | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL OIL | Minor source | No |
| SHELL SERVICE STATION | Minor source | No |
| SHELL SERVICE STATION | Minor source | No |
| SHELL SERVICE STATION | Minor source | No |
| SHEMIN NURSERIES | Minor source | No |
| SHERATON INN SILVER SPRING | Minor source | No |
| SHERWOOD HIGH | Minor source | No |
| SILVER SPRING AVENUE, 415 | Minor source | No |
| SILVER SPRING TOYOTA | Minor source | No |
| SLIGO ADVENTIST SCHOOL | Minor source | No |
| SLIGO AVENUE, 601 | Minor source | No |
| SLIGO AVENUE, 614 | Minor source | No |
| SLIGO AVENUE, 700 | Minor source | No |
| SLIGO AVENUE, 714 | Minor source | No |
| SLIGO AVENUE, 733-5 | Minor source | No |
| SLIGO AVENUE, 850 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.