EPA Air · by county
Air-emissions sources in Frederick County, Maryland
- 383Facilities
Every stationary source in Frederick 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 Frederick 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 Frederick 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 3
- 2025 — inspections 11
- 2024 — inspections 31
- 2023 — inspections 36
- 2022 — inspections 26
- 2021 — inspections 26
- 2020 — inspections 19
- 2019 — inspections 25
- 2018 — inspections 33
- 2017 — inspections 43
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| SABILLASVILLE ELEMENTARY SCHOOL | Minor source | No |
| SAIC-FREDERICK, INC. | Minor source | No |
| SAM'S CLUB STORE - GAS | Minor source | No |
| SEARS ROEBUCK | Minor source | No |
| SERVICE CLEANERS | Minor source | No |
| SERVICE MERCHANDISE | Minor source | No |
| SHA MAINTENANCE & GAS STATION | Minor source | No |
| SHARPE'S FLOWERS | Minor source | No |
| SHEETZ | Minor source | No |
| SHEETZ | Minor source | No |
| SHEETZ | Minor source | No |
| SHEETZ | Minor source | No |
| SHEETZ | Minor source | No |
| SHEETZ | Minor source | No |
| SHEETZ STORE #519 | Minor source | No |
| SHELL | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHELL GAS STATION | Minor source | No |
| SHONEY'S-PATRICK STREET, WEST | Minor source | No |
| SHOOKSTOWN MOTOR SPORTS | Minor source | No |
| SOLAREX - UNIT OF AMOCO/ENRON SOLAR | Minor source | No |
| SOUTH FREDERICK-BLDG. B | Minor source | No |
| SOUTH MOUNTAIN COLLISION CENTER | Minor source | No |
| SOUTH SETON AUTO REPAIR | Minor source | No |
| SOUTH STREET READY MIX CONCRETE | Minor source | No |
| SOUTHERN STATES COOP. - WOODSBORO | Minor source | No |
| SOUTHERN STATES COOP.-FREDERICK | Minor source | No |
| SOUTHERN STATES GAS STATION | Minor source | No |
| SPRING RIDGE CLEANERS | Minor source | No |
| SPRING RIDGE ELEMENTARY SCHOOL | Minor source | No |
| ST JOSEPH'S PROVINCIAL HOUSE | Minor source | No |
| ST. JOHN'S ROMAN CATHOLIC CHURCH | Minor source | No |
| ST. PETER'S PARISH CENTER | Minor source | No |
| STAMBAUGH'S BODY & PAINT SHOP | Minor source | No |
| STATE FARM INSURANCE | Minor source | No |
| STAUFFER FUNERAL HOMES, PA | Minor source | No |
| STUDIO 20 | Minor source | No |
| STUP'S GARAGE | Minor source | No |
| SUMMERS, H.C. | Minor source | No |
| SUNOCO | Minor source | No |
| SUNOCO | Minor source | No |
| SUPERIOR CONCRETE | Minor source | No |
| TAMKO BUILDING PRODUCTS LLC | Synthetic minor source | No |
| TATE CHRYSLER PLYMOUTH | Minor source | No |
| TEC, INC. | Minor source | No |
| THURMONT COOPERATIVE | Minor source | No |
| THURMONT ELEMENTARY SCHOOL | Minor source | No |
| THURMONT GAS | Minor source | No |
| THURMONT MIDDLE SCHOOL | Minor source | No |
| THURMONT SHOE | Minor source | No |
| TOWN WELL NO. 7 | Minor source | No |
| TRANS-TECH - 4510 METROPOLITAN COURT | Minor source | No |
| TRANS-TECH-5520 ADAMSTOWN ROAD | Minor source | No |
| U.S. POST OFFICE-FREDERICK | Minor source | No |
| UNITED PARCEL SERVICES | Minor source | No |
| UNITED PRESBYTERIAN CHURCH | Minor source | No |
| URBANA ELEMENTARY SCHOOL | Minor source | No |
| URBANA HIGH SCHOOL | Minor source | No |
| VALLEY ELEMENTARY SCHOOL | Minor source | No |
| VISITATION ACADEMY | Minor source | No |
| VOCATIONAL TECHNICAL CENTER | Minor source | No |
| WALKERSVILLE ELEMENTARY (BLDG A) | Minor source | No |
| WALKERSVILLE ELEMENTARY (BLDG B) | Minor source | No |
| WALKERSVILLE HIGH SCHOOL | Minor source | No |
| WALKERSVILLE MIDDLE SCHOOL | Minor source | No |
| WALTER KING PLUMBING | Minor source | No |
| WATERSIDE CLEANERS | Minor source | No |
| WAVERLY ELEMENTARY SCHOOL | Minor source | No |
| WAWA FOOD MARKET | Minor source | No |
| WEINBERG CENTER FOR THE ARTS | Minor source | No |
| WERRES CORPORATION | Minor source | No |
| WESTRIDGE CLEANERS | Minor source | No |
| WILLARD AGRI-SERVICE | Minor source | No |
| WINDRIDGE FARM | Minor source | No |
| WINDSOR KNOLLS MIDDLE SCHOOL | Minor source | No |
| WOLFSVILLE ELEMENTARY SCHOOL | Minor source | No |
| WOODSBORO READY-MIX CONCRETE PLANT | Minor source | No |
| Y M C A - FREDERICK COUNTY | Minor source | No |
| YELLOW SPRINGS ELEMENTARY SCHOOL | Minor source | No |
| YORK BUILDING PRODUCTS | Minor source | No |
| ZIMMERMAN'S FLORIST | Minor source | No |
| ZION LUTHERAN CHURCH | Minor source | No |
| ZIPS DRY CLEANERS | Minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.