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 |
|---|---|---|
| SLIGO CLEANERS | Minor source | No |
| SLIGO CREEK PARKWAY, 9039 | Minor source | No |
| SLIGO GARDENS NURSING HOMES | Minor source | No |
| SLIGO MIDDLE SCHOOL | Minor source | No |
| SMITHS AEROSPACE | Minor source | No |
| SOMERSET ELEMENTARY SCHOOL | Minor source | No |
| SOMERSET PROPERTIES - STORES | Minor source | No |
| SOUTH LAKE ELEMENTARY SCHOOL | Minor source | No |
| SOUTHAMPTON DRIVE, 558 | Minor source | No |
| SOUTHERN STATES COOP | Minor source | No |
| SOUTHHAMPTON DRIVE, 467 | Minor source | No |
| SOUTHHAMPTON DRIVE, 507 | Minor source | No |
| SOUTHLAWN MIDDLE SCHOOL | Minor source | No |
| SPEED QUEEN LAUNDROMAT | Minor source | No |
| SPRING STREET, 1001 | Minor source | No |
| SPRING STREET, 1400 | Minor source | No |
| SPRINGBROOK HIGH SCHOOL | Minor source | No |
| SPRINGBROOK NURSING HOME | Minor source | No |
| ST CAMILLUS ROMAN CATHOLIC CHURCH | Minor source | No |
| ST. BARTHOLOMEW'S R.C. CH. & SCHOOL | Minor source | No |
| ST. BERNADETTE'S CHURCH AND SCHOOL | Minor source | No |
| ST. CAMILLUS CHURCH & SCHOOL | Minor source | No |
| ST. FRANCIS EPISCOPAL CHURCH | Minor source | No |
| ST. JANE DE CHANTAL SCHOOL | Minor source | No |
| ST. LUKE'S EV. LUTHERAN CHURCH | Minor source | No |
| ST. MARY'S R.C. CHURCH - ROCKVILLE | Minor source | No |
| ST. MICHAELS CHURCH & SCHOOL | Minor source | No |
| ST. PAUL'S UNITED METHODIST | Minor source | No |
| ST. PETER'S CHURCH AND SCHOOL | Minor source | No |
| ST.ANGELO FURNITURE - BONANZA WAY | Minor source | No |
| STA-BRIGHT CLEANERS | Minor source | No |
| STANDARD SUPPLIES | Minor source | No |
| STATE POLICE BARRACKS | Minor source | No |
| STEDWICK ELEMENTARY SCHOOL | Minor source | No |
| STERLING AUTO SERVICE & BODY SHOP | No | |
| STEWART LANE, 11410 | Minor source | No |
| STEWART LANE, 11518 | Minor source | No |
| STONEGATE ELEMENTARY SCHOOL | Minor source | No |
| STRATHMORE ROAD, 6904 | Minor source | No |
| STRATHMORE STREET, 7034 | Minor source | No |
| STRIPPER - 21915 BIG WOODS ROAD | Minor source | No |
| SUBURBAN BANK - 255 N. WASHINGTON ST | Minor source | No |
| SUBURBAN BANK - 6950 CARROLL AVENUE | Minor source | No |
| SUBURBAN BANK - 7316 WISCONSIN AVE | Minor source | No |
| SUBURBAN HOSP-8710 OLD GEORGETOWN RD | Minor source | No |
| SUBURBAN HOSPITAL | Minor source | No |
| SUMMIT HALL ELEMENTARY SCHOOL | Minor source | No |
| SUN DEMOLITION AT CONSTR SITE (BETCO) | Minor source | No |
| SUNNY CLEANERS | Minor source | No |
| SUNNYSIDES ASSOC. - LTD PARTNERSHIP | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO SERVICE STATION | Minor source | No |
| SUNSHINE COUNTRY STORE | Minor source | No |
| SUPER CLEANERS | Minor source | No |
| SUPER PRESSURE | Minor source | No |
| SUPERNUS PHARMACEUTICALS, INC. | Minor source | No |
| SUPPLEMENTAL LEARNING CENTER | Minor source | No |
| T.A.G. MOTOR WERKS | Minor source | No |
| TAKOMA PARK MIDDLE SCHOOL | Minor source | No |
| TEMPLE ISRAEL | Minor source | No |
| TEXACO | Minor source | No |
| TEXACO | Minor source | No |
| TEXACO GAS STATION | Minor source | No |
| TEXACO SERVICE STATION | Minor source | No |
| TEXACO SERVICE STATION | Minor source | No |
| TEXACO SERVICE STATION | Minor source | No |
| THAYER AVENUE, 515 | Minor source | No |
| THAYER AVENUE, 524-6-8 | Minor source | No |
| THAYER AVENUE, 525 | Minor source | No |
| THAYER AVENUE, 555 | Minor source | No |
| THAYER AVENUE, 575 | Minor source | No |
| THAYER AVENUE, 815 | Minor source | No |
| THAYER AVENUE, 912 | Minor source | No |
| THE JBG COMPANIES | Minor source | No |
| THE W AT ICC | Minor source | No |
| THRIFTY RENT-A-CAR | Minor source | No |
| TILDEN MIDDLE SCHOOL | Minor source | No |
| TOM'S CLEANERS | Minor source | No |
| TONY'S AUTO BODY & PAINT CENTER | Minor source | No |
| TOTAL RECON AUTO SALON | Minor source | No |
| TRAVILAH ELEMENTARY SCHOOL | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.