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 |
|---|---|---|
| CARDEROCK SPRINGS ELEMENTARY SCHOOL | Minor source | No |
| CAREY LANE, 8314 | Minor source | No |
| CARRIAGE HILL NURSING CNTR-BETHESDA | Minor source | No |
| CARRIAGE HOUSE CLEANERS | Minor source | No |
| CARROLL AVENUE, 7006 | Minor source | No |
| CARROLL AVENUE, 7051 | Minor source | No |
| CARROLL AVENUE, 8737 | Minor source | No |
| CASHELL ELEMENTARY SCHOOL | Minor source | No |
| CASTLE BOULEVARD, 14000 | Minor source | No |
| CEDAR GROVE ELEMENTARY SCHOOL | Minor source | No |
| CEDAR LANE UNITARIAN CHURCH | Minor source | No |
| CELERA GENOMICS | Minor source | No |
| CENTER FOR HANDICAPPED | Minor source | No |
| CENTRAL AUTO BODY | Minor source | No |
| CHAMBER OF COMMERCE OF THE U.S. | Minor source | No |
| CHANEY DRIVE, 702 | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON | Minor source | No |
| CHEVRON GAS STATION | Minor source | No |
| CHEVRON GAS STATION | Minor source | No |
| CHEVRON GAS STATION | Minor source | No |
| CHEVRON GAS STATION | Minor source | No |
| CHEVRON GAS STATION | Minor source | No |
| CHEVY CHASE CHEVROLET | Minor source | No |
| CHEVY CHASE CITGO | Minor source | No |
| CHEVY CHASE CLUB | Minor source | No |
| CHEVY CHASE DRIVE, 4707 | Minor source | No |
| CHEVY CHASE DRIVE, 4720 | Minor source | No |
| CHEVY CHASE DRIVE, 4750 | Minor source | No |
| CHEVY CHASE DRIVE, 4757 | Minor source | No |
| CHEVY CHASE DRIVE, 4800 | Minor source | No |
| CHEVY CHASE ELEMENTARY SCHOOL | Minor source | No |
| CHEVY CHASE LAKE DRIVE, 3605 | Minor source | No |
| CHEVY CHASE LAKE DRIVE, 3609 | Minor source | No |
| CHEVY CHASE LAKE DRIVE, 3703 | Minor source | No |
| CHEVY CHASE LAKE DRIVE, 3711 | Minor source | No |
| CHEVY CHASE UNITED METHODIST CHURCH | Minor source | No |
| CHEVY CHASE VALET | Minor source | No |
| CHRIST EPISCOPAL CHURCH | Minor source | No |
| CHRISTIAN CHURCH FACIL/AGING | Minor source | No |
| CHURCH OF J.C. OF LATTER-DAY SAINTS | Minor source | No |
| CHURCH OF LATTER DAY SAINTS | Minor source | No |
| CHURCH OF THE LITTLE FLOWER | Minor source | No |
| CHURCHILL, WINSTON HIGH SCHOOL | Minor source | No |
| CITGO | Minor source | No |
| CITGO | Minor source | No |
| CITGO | Minor source | No |
| CITGO | Minor source | No |
| CITGO GAS STATION | Minor source | No |
| CITGO GAS STATION | Minor source | No |
| CITGO GAS STATION | Minor source | No |
| CITY OF TAKOMA PARK - DPW | Minor source | No |
| CIVIL DEFENSE PREPAREDNESS | Minor source | No |
| CLARENDON ROAD, 6921 | Minor source | No |
| CLARKSBURG LIBERTY | Minor source | No |
| CLASSIC AUTO BODY | Minor source | No |
| CLOPPER ROAD, 911 | Minor source | No |
| CLOVERLY CITGO | Minor source | No |
| CLOVERLY ELEMENTARY SCHOOL | Minor source | No |
| COLD SPRING ELEMENTARY SCHOOL | Minor source | No |
| COLEMAN CADILLAC | Minor source | No |
| COLERIDGE DRIVE, 2005 | Minor source | No |
| COLESVILLE ROAD, 8300 | Minor source | No |
| COLESVILLE ROAD, 8341 | Minor source | No |
| COLESVILLE ROAD, 8712 (HCMC) | Minor source | No |
| COLESVILLE ROAD, 8719 | Minor source | No |
| COLESVILLE ROAD, 8811 | Minor source | No |
| COLESVILLE UNITED METHODIST CHURCH | Minor source | No |
| COLESVILLE WHITE OAK SWIM CENTER | Minor source | No |
| COLLEGE GARDENS ELEMENTARY SCHOOL | Minor source | No |
| COLLEGE PLAZA EXXON | Minor source | No |
| COLLINGSWOOD NURSING HOME | Minor source | No |
| COLLISION EXPERTS | Minor source | No |
| COLSTON DRIVE, 2310 | Minor source | No |
| COLUMBIA COUNTRY CLUB | Minor source | No |
| COLUMBIA PIKE, 11351 | Minor source | No |
| COLUMBIA UNION COLLEGE | Minor source | No |
| COMMUNICATIONS IN PRINT | Minor source | No |
| COMMUNICATIONS SATELLITE CORPORATION | Minor source | No |
| CONCRETE GENERAL | Minor source | No |
| CONCRETE SUPPLY CORP. | Minor source | No |
| CONGREGATION BETHEL BETHESDA | Minor source | No |
| CONGREGATION HARTZEON | Minor source | No |
| CONGRESSIONAL ELEMENTARY SCHOOL | Minor source | No |
| CONGRESSIONAL LANE, 257-263 | Minor source | No |
| CONGRESSIONAL VALET | Minor source | No |
| CONNECTICUT ADULT EDUCATION CENTER | Minor source | No |
| CONNECTICUT AVENUE, 13900 | Minor source | No |
| CONNECTICUT AVENUE, 8401 | Minor source | No |
| CORDELL RD | Minor source | No |
| CORNELL, G.L. COMPANY | Minor source | No |
| COUNTRY DAY SCHL OF THE SACRED HEART | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.