EPA Air · inspections by state and year
Air-emissions inspections in Maryland, 2025
- 207Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in Maryland during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Maryland, 2025
- Baltimore (city) County 36
- Prince George's County 20
- Cecil County 18
- Anne Arundel County 17
- Baltimore County 16
- Harford County 16
- Montgomery County 15
- Frederick County 11
- Charles County 8
- Washington County 7
- Carroll County 6
- Howard County 6
- Wicomico County 6
- Undetermined County 4
- Allegany County 3
Maryland, other years
Air-emissions inspections recorded in Maryland, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-23 | BACK RIVER WASTEWATER TREATMENT PLANT | BALTIMORE, Baltimore, MD | FCE On-Site | State |
| 2025-12-11 | GAMSE LITHOGRAPHING COMPANY | ROSEDALE, Baltimore, MD | FCE On-Site | U.S. EPA |
| 2025-12-11 | GRAY & SON, INC. - TEXAS PLANT — high-priority violation on file | COCKEYSVILLE, Baltimore, MD | FCE On-Site | State |
| 2025-12-09 | CINTAS CORPORATION - LANDOVER | LANDOVER, Prince George's, MD | FCE On-Site | State |
| 2025-12-08 | NIH ANIMAL CENTER | POOLESVILLE, Montgomery, MD | FCE On-Site | State |
| 2025-12-04 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | FCE On-Site | State |
| 2025-11-20 | MILLERSVILLE LANDFILL | SEVERN, Anne Arundel, MD | FCE On-Site | State |
| 2025-11-20 | BLUEGRASS MATERIALS - NORTH EAST QUARRY — high-priority violation on file | NORTH EAST, Cecil, MD | FCE On-Site | State |
| 2025-11-19 | LIFOAM INDUSTRIES, LLC | BELCAMP, Harford, MD | FCE On-Site | State |
| 2025-11-19 | M. LUIS PRODUCTS, LLC — high-priority violation on file | ROCKVILLE, Montgomery, MD | FCE On-Site | State |
| 2025-11-18 | WSSC PISCATAWAY SWGE PLNT — high-priority violation on file | ACCOKEEK, Prince George's, MD | PCE Off-Site | State |
| 2025-11-14 | ALPHA RIDGE LANDFILL | MARRIOTTSVILLE, Howard, MD | FCE On-Site | State |
| 2025-11-12 | WAVE | ABERDEEN, Harford, MD | FCE On-Site | State |
| 2025-11-06 | GI TC MONTGOMERY, LLC | ROCKVILLE, Montgomery, MD | FCE On-Site | State |
| 2025-11-03 | HARFORD WASTE DISPOSAL CENTER | STREET, Harford, MD | FCE On-Site | State |
| 2025-10-28 | ALLAN MYERS MATERIALS - NORTH EAST ASPHALT PLANT | NORTH EAST, Cecil, MD | FCE On-Site | State |
| 2025-10-28 | REICHS FORD LANDFILL | FREDERICK, Frederick, MD | FCE On-Site | State |
| 2025-10-27 | C.J. MILLER, LLC - FINKSBURG | FINKSBURG, Carroll, MD | FCE On-Site | State |
| 2025-10-23 | QUIKRETE COMPANY | PERRYVILLE, Cecil, MD | FCE On-Site | State |
| 2025-10-22 | CECIL COUNTY CENTRAL LANDFILL | ELKTON, Cecil, MD | FCE On-Site | State |
| 2025-10-16 | BARNABAS ROAD ASSOCIATES — high-priority violation on file | TEMPLE HILLS, Prince George's, MD | FCE On-Site | State |
| 2025-10-15 | F. O. DAY BITUMINOUS COMPANY | ROCKVILLE, Montgomery, MD | FCE On-Site | State |
| 2025-10-10 | LANEY CONSTRUCTION MATERIALS, LLC | WOODBINE, Carroll, MD | FCE On-Site | State |
| 2025-10-10 | CHARLES COUNTY MUNICIPAL LANDFILL | WALDORF, Charles, MD | FCE On-Site | State |
| 2025-10-07 | LAUREL SAND & GRAVEL, INC. - LAUREL HILL QUARRY | WOODSBORO, Frederick, MD | FCE On-Site | State |
| 2025-10-06 | WORCESTER COUNTY CENTRAL MUNICIPAL LANDFILL | NEWARK, Worcester, MD | FCE On-Site | State |
| 2025-10-02 | CATHCART REPAIR FACILITIES, LLC | ELK MILLS, Cecil, MD | FCE On-Site | State |
| 2025-09-24 | VIBRANTZ TECHNOLOGIES | CURTIS BAY, Anne Arundel, MD | FCE On-Site | U.S. EPA |
| 2025-09-23 | KEY RECYCLING, LLC | BALTIMORE, Baltimore (city), MD | FCE On-Site | U.S. EPA |
| 2025-09-09 | BENJER, INC - MIDDLE RIVER | MIDDLE RIVER, Baltimore, MD | FCE On-Site | State |
| 2025-09-03 | PLEASANTS CONSTRUCTION, INC. | FREDERICK, Frederick, MD | FCE On-Site | State |
| 2025-08-19 | NAVAL SUPPORT ACTIVITY ANNAPOLIS | NAVAL ACADEMY, Anne Arundel, MD | FCE On-Site | State |
| 2025-08-19 | LIFEBRIDGE HEALTH - SINAI HOSPITAL | BALTIMORE, Baltimore (city), MD | FCE On-Site | State |
| 2025-08-07 | AGGREGATE INDUSTRIES - KIRBY ROAD ASPHALT PLANT | CLINTON, Prince George's, MD | FCE On-Site | State |
| 2025-08-06 | BITUMAR USA, INC. | MARYLAND, Undetermined, MD | FCE On-Site | U.S. EPA |
| 2025-08-05 | CENTER POINT TERMINAL BALTIMORE LLC | BALTIMORE, Baltimore (city), MD | FCE On-Site | U.S. EPA |
| 2025-07-30 | U.S. COAST GUARD YARD - CURTIS BAY | CURTIS BAY, Anne Arundel, MD | FCE On-Site | State |
| 2025-07-29 | PRINCE GEORGE'S CO. OFFICE OF CENTRAL SERVICESFACILITIES OPERATION & MANAGEMEN | UPPER MARLBORO, Prince George's, MD | PCE Off-Site | State |
| 2025-07-24 | VIBRANTZ TECHNOLOGIES | CURTIS BAY, Anne Arundel, MD | FCE On-Site | State |
| 2025-07-24 | NORTHROP GRUMMAN SYSTEMS CORPORATION | ELKTON, Cecil, MD | FCE On-Site | State |
| 2025-07-17 | GAYLORD ENTERTAINMENT COMPANY — high-priority violation on file | OXON HILL, Prince George's, MD | PCE Off-Site | State |
| 2025-07-17 | SHERWIN-WILLIAMS COMPANY | BALTIMORE, Baltimore (city), MD | FCE On-Site | U.S. EPA |
| 2025-07-16 | APG-EDGEWOOD AREA | ABERDEEN PROVING GROUND, Harford, MD | PCE On-Site | U.S. EPA |
| 2025-07-16 | JOSEPH SMITH & SONS | MARYLAND, Undetermined, MD | FCE On-Site | U.S. EPA |
| 2025-07-15 | RECOVERMAT MID-ATLANTIC, LLC | MARYLAND, Undetermined, MD | FCE On-Site | U.S. EPA |
| 2025-07-15 | APG-ABERDEEN AREA | ABERDEEN PROVING GROUND, Harford, MD | PCE On-Site | U.S. EPA |
| 2025-07-15 | APG-ABERDEEN AREA | ABERDEEN PROVING GROUND, Harford, MD | FCE On-Site | State |
| 2025-07-09 | WILDCAT POINT GENERATION FACILITY | CONOWINGO, Cecil, MD | FCE On-Site | State |
| 2025-07-03 | DARLING INGREDIENTS, INC. — high-priority violation on file | LINKWOOD, Dorchester, MD | PCE Off-Site | State |
| 2025-07-02 | NAVAL SUPPORT FACILITY, INDIAN HEAD — high-priority violation on file | INDIAN HEAD, Charles, MD | FCE On-Site | State |
| 2025-07-02 | NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | GAITHERSBURG, Montgomery, MD | FCE On-Site | State |
| 2025-07-01 | TNEMEC COMPANY | BALTIMORE, Baltimore (city), MD | FCE On-Site | U.S. EPA |
| 2025-06-17 | GRAY & SON, INC. - TEXAS PLANT — high-priority violation on file | COCKEYSVILLE, Baltimore, MD | PCE Off-Site | State |
| 2025-06-13 | CINTAS CORPORATION - BALTIMORE | BALTIMORE, Baltimore (city), MD | FCE On-Site | State |
| 2025-06-12 | ASTRAZENECA, PLP | FREDERICK, Frederick, MD | FCE On-Site | State |
| 2025-06-10 | GREATER BALTIMORE MEDICAL CENTER | TOWSON, Baltimore, MD | FCE On-Site | State |
| 2025-06-05 | ALLAN MYERS MD - JOPPA | JOPPA, Harford, MD | FCE On-Site | State |
| 2025-06-03 | GAYLORD ENTERTAINMENT COMPANY — high-priority violation on file | OXON HILL, Prince George's, MD | FCE On-Site | State |
| 2025-05-29 | AGGREGATE INDUSTRIES - WALDORF | WALDORF, Charles, MD | FCE On-Site | State |
| 2025-05-29 | THE SHERWIN-WILLIAMS COMPANY - WILLIAMSPORT | WILLIAMSPORT, Washington, MD | FCE On-Site | State |
| 2025-05-28 | CONSTELLATION ENERGY GROUP - PHILADELPHIA ROAD | BALTIMORE, Baltimore (city), MD | FCE On-Site | State |
| 2025-05-27 | DOMINION ENERGY COVE POINT LNG, LP | LUSBY, Calvert, MD | FCE On-Site | State |
| 2025-05-27 | NASA - GODDARD SPACE FLIGHT CENTER | GREENBELT, Prince George's, MD | FCE On-Site | State |
| 2025-05-23 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | PCE Off-Site | State |
| 2025-05-21 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | FCE On-Site | State |
| 2025-05-15 | US ARMY-FT. DETRICK-FOREST GLEN ANNEX | FOREST GLEN, Montgomery, MD | FCE On-Site | State |
| 2025-05-08 | FORT DETRICK - MAIN POST | FORT DETRICK, Frederick, MD | FCE On-Site | State |
| 2025-05-06 | MOUNTAINVIEW SANITARY LANDFILL | FROSTBURG, Allegany, MD | FCE On-Site | State |
| 2025-05-06 | UNIVERSITY OF MARYLAND ST. JOSEPH MEDICAL CENTER | TOWSON, Baltimore, MD | FCE On-Site | State |
| 2025-04-25 | UNION HOSPITAL | ELKTON, Cecil, MD | FCE On-Site | State |
| 2025-04-24 | BALTIMORE WASHINGTON MEDICAL CENTER | GLEN BURNIE, Anne Arundel, MD | FCE On-Site | State |
| 2025-04-23 | PSEG KEYS ENERGY CENTER | BRANDYWINE, Prince George's, MD | FCE On-Site | State |
| 2025-04-16 | APG-EDGEWOOD AREA | ABERDEEN PROVING GROUND, Harford, MD | PCE Off-Site | State |
| 2025-04-16 | CHALK POINT POWER, LLC | AQUASCO, Prince George's, MD | PCE Off-Site | State |
| 2025-04-16 | NAVAL AIR STATION PATUXENT RIVER | PATUXENT RIVER, St. Mary's, MD | PCE Off-Site | State |
| 2025-04-14 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | PCE Off-Site | State |
| 2025-04-11 | NAVAL SUPPORT FACILITY, INDIAN HEAD — high-priority violation on file | INDIAN HEAD, Charles, MD | PCE Off-Site | State |
| 2025-04-11 | FORT DETRICK - MAIN POST | FORT DETRICK, Frederick, MD | PCE Off-Site | State |
| 2025-04-11 | EVONIK CORPORATION | HAVRE DE GRACE, Harford, MD | PCE Off-Site | State |
| 2025-04-11 | APG-ABERDEEN AREA | ABERDEEN PROVING GROUND, Harford, MD | PCE Off-Site | State |
| 2025-04-10 | NATIONAL INSTITUTES OF HEALTH | BETHESDA, Montgomery, MD | PCE Off-Site | State |
| 2025-04-10 | NAVAL SUPPORT ACTIVITY BETHESDA | BETHESDA, Montgomery, MD | PCE Off-Site | State |
| 2025-04-10 | W. R. GRACE & CO. - CONN. | CURTIS BAY, Baltimore (city), MD | FCE On-Site | State |
| 2025-04-09 | NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | GAITHERSBURG, Montgomery, MD | PCE Off-Site | State |
| 2025-04-04 | U.S. COAST GUARD YARD - CURTIS BAY | CURTIS BAY, Anne Arundel, MD | PCE Off-Site | State |
| 2025-04-04 | AMRIZE - SPARROWS POINT FACILITY | SPARROWS POINT, Baltimore, MD | PCE Off-Site | State |
| 2025-04-04 | CONGOLEUM INDUSTRIES | FINKSBURG, Carroll, MD | PCE Off-Site | State |
| 2025-04-04 | CPV MARYLAND, LLC - ST. CHARLES PROJECT | WALDORF, Charles, MD | PCE Off-Site | State |
| 2025-04-03 | DAVID A. BRAMBLE - MASSEY PLANT | MASSEY, Kent, MD | FCE On-Site | State |
| 2025-04-02 | UNIVERSITY OF MARYLAND CAPITAL REGION MEDICAL CENTER | LARGO, Prince George's, MD | FCE On-Site | State |
| 2025-04-02 | AMRIZE — high-priority violation on file | HAGERSTOWN, Washington, MD | FCE On-Site | State |
| 2025-04-01 | PERDUE AGRIBUSINESS INC, ZION CHURCH ROAD COMPLEX — high-priority violation on file | SALISBURY, Wicomico, MD | FCE On-Site | State |
| 2025-03-31 | UNITED STATES GYPSUM COMPANY | CURTIS BAY, Baltimore (city), MD | PCE Off-Site | State |
| 2025-03-28 | UNITED STATES GYPSUM COMPANY | CURTIS BAY, Baltimore (city), MD | PCE Off-Site | State |
| 2025-03-27 | JOHNS HOPKINS BAYVIEW MEDICAL CENTER | BALTIMORE, Baltimore (city), MD | FCE On-Site | State |
| 2025-03-26 | NASA - GODDARD SPACE FLIGHT CENTER | GREENBELT, Prince George's, MD | PCE Off-Site | State |
| 2025-03-26 | PRINCE GEORGE'S CO. OFFICE OF CENTRAL SERVICESFACILITIES OPERATION & MANAGEMEN | UPPER MARLBORO, Prince George's, MD | PCE Off-Site | State |
| 2025-03-26 | KMC THERMO, LLC - BRANDYWINE POWER FACILITY | BRANDYWINE, Prince George's, MD | FCE On-Site | State |
| 2025-03-26 | NEWLAND PARK LANDFILL | SALISBURY, Wicomico, MD | PCE Off-Site | State |
| 2025-03-26 | MEDSTAR HARBOR HOSPITAL CENTER | BROOKLYN, Baltimore (city), MD | FCE On-Site | State |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.