EPA Air · stack tests by county and year
Air-emissions stack tests in Baltimore (city) County, Maryland, 2026
- 6Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Baltimore (city) County, Maryland during 2026. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Baltimore (city) County facility page.
Baltimore (city) County, Maryland, 2026
- Inspections 25
Air-emissions stack tests in Baltimore (city) County, other years
Air-emissions stack tests recorded in Baltimore (city) County, Maryland, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-28 | CITGO/ZENITH PETROLEUM TERMINAL | Pass | State |
| 2026-07-08 | JOHNS HOPKINS HOSPITAL — high-priority violation on file | Pass | State |
| 2026-04-29 | UNITED STATES GYPSUM COMPANY | Pass | State |
| 2026-04-24 | WHEELABRATOR BALTIMORE, LP | Pass | State |
| 2026-03-11 | CURTIS BAY ENERGY, LP — high-priority violation on file | Pass | State |
| 2026-01-21 | W. R. GRACE & CO. - CONN. | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.