EPA Air · by county and classification
Major sources in Montgomery County, Maryland
- 7Facilities
Sources in Montgomery County, Maryland that EPA records under the major source classification. The classification is a size band, set by a source’s potential to emit: a major source is large enough to require a Title V operating permit, a synthetic minor source has accepted enforceable limits that keep it under that threshold, and a minor source sits below it without needing them.
Other classifications in Montgomery County
- Minor source 1,290
- Synthetic minor source 18
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| DICKERSON POWER, LLC | Major source | No |
| GSA FEDERAL RESEARCH CENTER AT WHITE OAK | Major source | No |
| MONTGOMERY COUNTY RRF | Major source | Yes |
| NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | Major source | No |
| NATIONAL INSTITUTES OF HEALTH | Major source | No |
| NAVAL SUPPORT ACTIVITY BETHESDA | Major source | No |
| WASHINGTON GAS - ROCKVILLE STATION | Major source | No |
Classification as filed on the facility record. Figures from EPA’s ICIS-AIR download.