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 |
|---|---|---|
| PEPSI-COLA BOTTLING | Minor source | No |
| PERCONTEE | Minor source | No |
| PERCONTEE | Minor source | No |
| PERMAGRAIN CORPORATION | Minor source | No |
| PERPETUAL BUILDING ASSOCIATION | Minor source | No |
| PERRY, THOMAS W., INC. | Minor source | No |
| PESSOA CONSTRUCTION COMPANY | Minor source | No |
| PHASE 3 AUTO BODY | Minor source | No |
| PHASE INC | Minor source | No |
| PILGRIM LUTHERAN CHURCH | Minor source | No |
| PINECREST ELEMENTARY SCHOOL | Minor source | No |
| PINEY BRANCH CHEVRON | Minor source | No |
| PINEY BRANCH MIDDLE SCHOOL | Minor source | No |
| PINEY BRANCH ROAD, 8609 | Minor source | No |
| PINEY BRANCH ROAD, 8619 | Minor source | No |
| PINEY BRANCH ROAD, 8830 | Minor source | No |
| PINEY BRANCH SERVICE CENTER | Minor source | No |
| PINEY BRANCH SUNOCO | Minor source | No |
| PINNACLE PRINTING - 601 DOVER ROAD | Minor source | No |
| PLEASANT VIEW ELEMENTARY SCHOOL | Minor source | No |
| POOKS HILL ROAD, 3 | Minor source | No |
| POOKS HILL ROAD, 5225 | Minor source | No |
| POOKS HILL ROAD, 5400 | Minor source | No |
| POOLESVILLE ELEMENTARY SCHOOL | Minor source | No |
| POOLESVILLE GETTY | Minor source | No |
| POOLESVILLE HIGH SCHOOL | Minor source | No |
| PORTNER BROTHERS, INC | Minor source | No |
| POTOMAC ELEMENTARY SCHOOL | Minor source | No |
| POTOMAC RIVER WATER PLANT | Minor source | No |
| POTOMAC SUNOCO | Minor source | No |
| POTOMAC VALLEY NURSING HOME | Minor source | No |
| POTOMAC VALLEY SHELL | Minor source | No |
| PRECISION AUTO CARE | Minor source | No |
| PREMIER MOTORS | Minor source | No |
| PRESTIAGE AUTO BODY | Minor source | No |
| PRINTING IMPRESSIONS | Minor source | No |
| PROSPERITY DRIVE DATA CENTER, LLC | Synthetic minor source | No |
| PROTO CIRCUITS | Minor source | No |
| PYLE, THOMAS W. MIDDLE SCHOOL | Minor source | No |
| QIAGEN SCIENCES | Synthetic minor source | No |
| QUALITY DRY CLEANERS | Minor source | No |
| QUALITY HQ. | Minor source | No |
| QUALITY INN - COLUMBIA PIKE, SIL. SP | Minor source | No |
| QUARLES GAS STATION | Minor source | No |
| QUARLES GAS STATION | Minor source | No |
| QUARTERMAINE COFFEE ROASTERS | Minor source | No |
| QUATTRO AUTO BODY | No | |
| QUATTRO AUTO BODY | Minor source | No |
| QUATTRO AUTO BODY | Minor source | No |
| QUINCE ORCHARD BOULEVARD, 878 | Minor source | No |
| QUINCE ORCHARD ROAD, 766 | Minor source | No |
| RADNOR ELEMENTARY SCHOOL | Minor source | No |
| RAMADA INN - ROCKVILLE | Minor source | No |
| RAMADA INN-BETHESDA | Minor source | No |
| RANDOLPH ASSOCIATES | Minor source | No |
| RANDOLPH AUTO BODY | Minor source | No |
| RANDOLPH MIDDLE SCHOOL | Minor source | No |
| REDDY MOTORS | Minor source | No |
| REDGRAVE PLACE | Minor source | No |
| REDLAND GENSTAR - BOYDS | Minor source | No |
| REDLAND GENSTAR - ROCKVILLE | Minor source | No |
| REDLAND GENSTAR - SOUTHLAWN | Minor source | No |
| REDLAND LIBERTY SERVICE STATION | Minor source | No |
| REDLAND MIDDLE SCHOOL | Minor source | No |
| REGENCY CUSTOM CABINET | Minor source | No |
| REMED - 12729 TWINBROOK PARKWAY | Minor source | No |
| REMED - 9401 FIELDS ROAD | Minor source | No |
| RESEARCH BOULEVARD, 1401 | Minor source | No |
| RESEARCH BOULEVARD, 1700 | Minor source | No |
| RESEARCH COURT, 2 | Minor source | No |
| RESEARCH PLACE, 4 | Minor source | No |
| RICHARD MONTGOMERY HIGH SCHOOL | Minor source | No |
| RICHARD'S SERVICE | Minor source | No |
| RIDGEVIEW MIDDLE SCHOOL | Minor source | No |
| RIDGEWELL CATERERS | Minor source | No |
| RITCHIE PARK ELEMENTARY SCHOOL | Minor source | No |
| RIVER ROAD UNITARIAN CHURCH | Minor source | No |
| RIVER ROAD, 5101 | Minor source | No |
| RIVER ROAD, 5161 | Minor source | No |
| RIVER ROAD, 5272 | Minor source | No |
| ROCK CREEK FOREST ELEMENTARY SCHOOL | Minor source | No |
| ROCK CREEK PALISADES ELEMENTARY | Minor source | No |
| ROCK CREEK VALLEY ELEMENTARY SCHOOL | Minor source | No |
| ROCK CREEK VILLAGE CLEANERS | Minor source | No |
| ROCKING HORSE ROAD ELEMENTARY SCHOOL | Minor source | No |
| ROCKLEDGE DRIVE, 6600 | Minor source | No |
| ROCKLEDGE DRIVE, 6610 | Minor source | No |
| ROCKVILLE - MAIN POST OFFICE | Minor source | No |
| ROCKVILLE AUTO BODY | Minor source | No |
| ROCKVILLE CENTER CLEANERS | Minor source | No |
| ROCKVILLE CENTRAL AUTO BODY | No | |
| ROCKVILLE CHEVRON | Minor source | No |
| ROCKVILLE CRUSHED STONE INC | Minor source | No |
| ROCKVILLE FUEL AND FEED | Minor source | No |
| ROCKVILLE HIGH SCHOOL | Minor source | No |
| ROCKVILLE INN | Minor source | No |
| ROCKVILLE LIBERTY | Minor source | No |
| ROCKVILLE MOTORS | Minor source | No |
| ROCKVILLE NURSING HOME | Minor source | No |
| ROCKVILLE PIKE POST OFFICE | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.