EPA Air · by county
Air-emissions sources in Howard County, Maryland
- 234Facilities
Every stationary source in Howard 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 Howard 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 Howard 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.
- 2025 — inspections 6
- 2024 — inspections 17
- 2023 — inspections 23
- 2022 — inspections 18
- 2021 — inspections 16
- 2020 — inspections 9
- 2019 — inspections 16
- 2018 — inspections 24
- 2017 — inspections 24
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| SUNOCO GAS STATION | Minor source | No |
| TALBOT SPRINGS ELEMENTARY SCHOOL | Minor source | No |
| TAYLOR MANOR HOSPITAL | Minor source | No |
| TEXACO | Minor source | No |
| THE COLUMBIA INN | Minor source | No |
| TRANSCONTINENTAL GAS PIPELINE | Major source | No |
| TRAVENOL LABS - 9299 WASH BOULEVARD | Minor source | No |
| TRI STATE COLLISION | Minor source | No |
| TRIADELPHIA RIDGE ELEMENTARY SCHOOL | Minor source | No |
| TURF VALLEY COUNTRY CLUB | Minor source | No |
| UNITED PARCEL SERVICE | Minor source | No |
| UNIVERSAL CONTRACTORS | Minor source | No |
| VERIZON MARYLAND, INC.-ELKRIDGE CENTRAL | Minor source | No |
| W.R. GRACE-WASHINGTON RESEARCH | Minor source | No |
| WATERLOO ELEMENTARY SCHOOL | Minor source | No |
| WATERLOO SHELL | Minor source | No |
| WATERLOO SHELL | Minor source | No |
| WAVERLY ELEMENTARY SCHOOL | Minor source | No |
| WAVERLY WOODS SHELL | Minor source | No |
| WEGMANS FOOD MARKET | Minor source | No |
| WEST FRIENDSHIP ELEMENTARY SCHOOL | Minor source | No |
| WILDE LAKE HIGH SCHOOL | Minor source | No |
| WIN KELLY CHEVROLET | Minor source | No |
| WINCOPIN CIRCLE, 10220 | Minor source | No |
| WINCOPIN CIRCLE, 10221 | Minor source | No |
| WORTHINGTON ELEMENTARY SCHOOL | Minor source | No |
| XTRA MART GAS STATION | Minor source | No |
| ZEKA CLEANERS | 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.