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 |
|---|---|---|
| BETHESDA AVENUE, 4733 | Minor source | No |
| BETHESDA CHEVY CHASE AUTO BODY | Minor source | No |
| BETHESDA CHEVY CHASE HIGH SCHOOL | Minor source | No |
| BETHESDA CHEVY CHASE RACQUETBALL | Minor source | No |
| BETHESDA CHEVY CHASE RESCUE SQUAD | Minor source | No |
| BETHESDA COLLISION REPAIR CENTER | Minor source | No |
| BETHESDA COUNTRY CLUB | Minor source | No |
| BETHESDA ELEMENTARY SCHOOL | Minor source | No |
| BETHESDA FIRE DEPARTMENT | Minor source | No |
| BETHESDA FURNITURE RESTORATION | Minor source | No |
| BETHESDA GERMAN CAR | Minor source | No |
| BETHESDA PRESBYTERIAN CHURCH | Minor source | No |
| BETHESDA THEATRE | Minor source | No |
| BETHESDA UNITED CHURCH OF CHRIST | Minor source | No |
| BETHESDAN MOTOR HOTEL | Minor source | No |
| BEVERLY FARMS ELEMENTARY SCHOOL | Minor source | No |
| BIALEK'S MEDICAL ARTS PHARMACY | Minor source | No |
| BILLY'S AUTO BODY | Minor source | No |
| BIOQUAL INC | Minor source | No |
| BIORELIANCE | Minor source | No |
| BIORELIANCE | Minor source | No |
| BIORELIANCE | Minor source | No |
| BIORELIANCE | Minor source | No |
| BLADEN LITHOGRAPHICS | Minor source | No |
| BLAIR MILL ROAD, 1401 | Minor source | No |
| BLAIR ROAD, 7702 | Minor source | No |
| BMW OF ROCKVILLE | Minor source | No |
| BONIFANT STREET 935 | Minor source | No |
| BOYS CLUB OF GREATER WASHINGTON S.S. | Minor source | No |
| BP | Minor source | No |
| BP | Minor source | No |
| BP | Minor source | No |
| BP | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP GAS STATION | Minor source | No |
| BP SERVICE STATION | Minor source | No |
| BP SERVICE STATION | Minor source | No |
| BP SERVICE STATION | Minor source | No |
| BP SERVICE STATION | Minor source | No |
| BRADLEES -12250 ROCKVILLE PIKE | Minor source | No |
| BRADLEY BOULEVARD SHOPPING CENTER | Minor source | No |
| BRADLEY BOULEVARD, 4700 | Minor source | No |
| BRADLEY BOULEVARD, 4705 | Minor source | No |
| BRADLEY BOULEVARD, 4708 | Minor source | No |
| BRADLEY BOULEVARD, 4716 | Minor source | No |
| BRADLEY BOULEVARD, 4743 | Minor source | No |
| BRADLEY BOULEVARD, 5081 | Minor source | No |
| BRADLEY BOULEVARD, 7430 | Minor source | No |
| BRADLEY BOULEVARD, 7440 | Minor source | No |
| BRADLEY ELEMENTARY SCHOOL | Minor source | No |
| BRADLEY HILLS PRESBYTERIAN CHURCH | Minor source | No |
| BRASSIE PLACE, 19405 | Minor source | No |
| BROAD ACRES ELEMENTARY SCHOOL | Minor source | No |
| BROOK LANE, NORTH 8315 | Minor source | No |
| BROOKE GROVE NURSING HOME | Minor source | No |
| BROOKE ROAD, 18529 | Minor source | No |
| BROOKHAVEN ELEMENTARY SCHOOL | Minor source | No |
| BROOKVIEW ELEMENTARY SCHOOL | Minor source | No |
| BROOKVILLE AUTO BODY | Minor source | No |
| BROOKVILLE VALET | Minor source | No |
| BROTHERHOOD OF RAILWAY/AIRLINE CLERK | Minor source | No |
| BROWN STATION ELEMENTARY SCHOOL | Minor source | No |
| BUEHLER ROAD, 17815 | Minor source | No |
| BULLIS SCHOOL | Minor source | No |
| BURGANDY PARK LAUNDRY | Minor source | No |
| BURNING TREE CLUB | Minor source | No |
| BURNING TREE ELEMENTARY SCHOOL | Minor source | No |
| BURNT MILLS AUTO BODY | Minor source | No |
| BURTONSVILLE AUTO BODY & PAINT | Minor source | No |
| BURTONSVILLE FUEL COMPANY | Minor source | No |
| C & P TELEPHONE - 11920 TECH ROAD | Minor source | No |
| C & P TELEPHONE - 4533 STANFORD ST | Minor source | No |
| C & P TELEPHONE - 5 N. FREDERICK AVE | Minor source | No |
| C & P TELEPHONE - 9151 BROOKVILLE RD | Minor source | No |
| C & P TELEPHONE - 9321 GAITHER ROAD | Minor source | No |
| C & W AUTO SERVICE | Minor source | No |
| C&C INDUSTRIES | Minor source | No |
| C&G AUTO BODY - 1010 RIPLEY STREET | Minor source | No |
| C&G SERVICE CENTER | Minor source | No |
| C+1 CLEANERS | Minor source | No |
| CABIN JOHN MIDDLE SCHOOL | Minor source | No |
| CAL AUTO REPAIR | Minor source | No |
| CALFAX MOTORS OF MARYLAND | Minor source | No |
| CALIBER COLLISION CENTER / CHERNER COLLISION CENTER | No | |
| CALL CARL MOTORS | Minor source | No |
| CALVARY LUTHERAN CHURCH | Minor source | No |
| CALVERTON BPO ELKS LODGE | Minor source | No |
| CAMBRIDGE BIOTECH | Minor source | No |
| CAMERON STREET, 8718 | Minor source | No |
| CANDLEWOOD ELEMENTARY SCHOOL | Minor source | No |
| CANNON RD. ELEMENTARY SCHOOL | Minor source | No |
| CAPITAL ELECTRO CIRCUITS INC. | Minor source | No |
| CAPITOL CRAFT INTERIORS | Minor source | No |
| CAR ONE AUTOCARE INC. | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.