EPA Air · stack tests by state and year
Air-emissions stack tests in Maryland, 2024
- 58Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Maryland during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Maryland, 2024
- Baltimore (city) County 11
- Anne Arundel County 11
- Baltimore County 5
- Prince George's County 4
- Carroll County 3
- Howard County 3
- Washington County 3
- Calvert County 3
- Montgomery County 3
Maryland, other years
Air-emissions stack tests recorded in Maryland, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-12-17 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | Pass | State |
| 2024-12-17 | CRISFIELD ENERGY CENTER | CRISFIELD, Somerset, MD | Pass | State |
| 2024-11-13 | VICINITY ENERGY BALTIMORE HEATING, LLP - SPRING GARDENS | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-11-12 | U.S. COAST GUARD YARD - CURTIS BAY | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-10-31 | EASTERN SANITARY LANDFILL | WHITE MARSH, Baltimore, MD | Pass | State |
| 2024-10-29 | MILLERSVILLE LANDFILL | SEVERN, Anne Arundel, MD | Pass | State |
| 2024-10-29 | UNIVERSITY OF MARYLAND ST. JOSEPH MEDICAL CENTER | TOWSON, Baltimore, MD | Pass | State |
| 2024-10-22 | CONSTELLATION POWER - PERRYMAN POWER PLANT | ABERDEEN, Harford, MD | Pass | State |
| 2024-10-22 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | Pass | State |
| 2024-10-16 | EASTERN LANDFILL GAS, LLC | WHITE MARSH, Baltimore, MD | Pass | State |
| 2024-10-02 | NAVAL SUPPORT FACILITY, INDIAN HEAD — high-priority violation on file | INDIAN HEAD, Charles, MD | Pass | State |
| 2024-09-26 | MONTGOMERY COUNTY RRF — high-priority violation on file | DICKERSON, Montgomery, MD | Pass | State |
| 2024-09-25 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2024-09-12 | METTIKI COAL, LLC | OAKLAND, Garrett, MD | Pass | State |
| 2024-09-11 | SHADY GROVE ADVENTIST HOSPITAL | ROCKVILLE, Montgomery, MD | Pass | State |
| 2024-09-10 | A & N ELECTRIC COOPERATIVE | EWELL, Somerset, MD | Pass | State |
| 2024-09-04 | WHEELABRATOR BALTIMORE, LP | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-08-28 | UNIVERSITY OF MARYLAND CAPITAL REGION MEDICAL CENTER | LARGO, Prince George's, MD | Pass | State |
| 2024-08-16 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-08-16 | W. R. GRACE & CO. - CONN. | CURTIS BAY, Baltimore (city), MD | Pass | State |
| 2024-08-06 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-07-25 | WILDCAT POINT GENERATION FACILITY | CONOWINGO, Cecil, MD | Pass | State |
| 2024-07-24 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-07-17 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2024-07-16 | SPARTECH LLC - SALISBURY | SALISBURY, Wicomico, MD | Pass | State |
| 2024-07-12 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-07-11 | W. R. GRACE & CO. - CONN. | CURTIS BAY, Baltimore (city), MD | Pass | State |
| 2024-07-10 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-07-10 | NAVAL SUPPORT ACTIVITY BETHESDA | BETHESDA, Montgomery, MD | Pass | State |
| 2024-06-28 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2024-06-27 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2024-06-27 | TRANSCONTINENTAL GAS PIPELINE | ELLICOTT CITY, Howard, MD | Pass | State |
| 2024-06-27 | SUNOCO TERMINAL | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-06-27 | BUCKEYE TERMINALS, LLC - BALTIMORE TERMINAL | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-06-26 | SUNOCO TERMINAL | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-06-19 | LIFEBRIDGE HEALTH - SINAI HOSPITAL | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-06-11 | HARFORD WASTE DISPOSAL CENTER | STREET, Harford, MD | Pass | State |
| 2024-05-30 | UNIVERSITY OF MARYLAND | COLLEGE PARK, Prince George's, MD | Pass | State |
| 2024-05-16 | TEXAS EASTERN TRANSMISSION | ACCIDENT, Garrett, MD | Pass | State |
| 2024-05-15 | GAYLORD ENTERTAINMENT COMPANY — high-priority violation on file | OXON HILL, Prince George's, MD | Pending | State |
| 2024-05-08 | NAVAL SUPPORT ACTIVITY ANNAPOLIS | NAVAL ACADEMY, Anne Arundel, MD | Pass | State |
| 2024-05-07 | MGM NATIONAL HARBOR DESTINATION RESORT CASINO | NATIONAL HARBOR, Prince George's, MD | Pass | State |
| 2024-05-07 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-04-24 | LEHIGH CEMENT COMPANY - UNION BRIDGE | UNION BRIDGE, Carroll, MD | Pass | State |
| 2024-04-19 | W. R. GRACE & CO. - CONN. | CURTIS BAY, Baltimore (city), MD | Pass | State |
| 2024-04-16 | UNION HOSPITAL | ELKTON, Cecil, MD | Pass | State |
| 2024-04-04 | NORTHROP GRUMMAN SYSTEMS CORP. - BWI | LINTHICUM, Anne Arundel, MD | Pass | State |
| 2024-04-04 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | Pass | State |
| 2024-03-27 | AES WARRIOR RUN | CUMBERLAND, Allegany, MD | Pass | State |
| 2024-03-15 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | Pass | State |
| 2024-03-07 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2024-03-04 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2024-02-27 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | Pass | State |
| 2024-01-29 | NAVAL SUPPORT FACILITY, INDIAN HEAD — high-priority violation on file | INDIAN HEAD, Charles, MD | Fail | State |
| 2024-01-23 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-01-18 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2024-01-11 | EASTERN SANITARY LANDFILL | WHITE MARSH, Baltimore, MD | Pass | State |
| 2024-01-10 | EASTERN SANITARY LANDFILL | WHITE MARSH, Baltimore, MD | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.