EPA Air · by county
Air-emissions sources in Stephens County, Oklahoma
- 373Facilities
Every stationary source in Stephens County, Oklahoma 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 Stephens 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 Stephens 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 6
- 2024 — inspections 8
- 2023 — inspections 77
- 2022 — inspections 111
- 2021 — inspections 106
- 2020 — inspections 108
- 2019 — inspections 98
- 2018 — inspections 107
- 2017 — inspections 92
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / SOUTH MARLOW 10110204 | Minor source | No |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / VELMA 10110205 | Minor source | No |
| ONEOK FIELD SERVICES CO LLC / COTTONWOOD COMPRESSOR STATION | Synthetic minor source | No |
| ONEOK FIELD SERVICES CO LLC / DUNCAN COMPRESSOR STATION | Minor source | No |
| ONEOK FIELD SERVICES CO LLC / SOUTH KNOX COMPRESSOR STATION | Synthetic minor source | No |
| ONEOK FIELD SERVICES CO LLC / STEPHENS GAS PLANT | Synthetic minor source | No |
| ONEOK FIELD SERVICES CO LLC / TUGMON COMPRESSOR STATION | Minor source | No |
| PGM PROCESSING LLC / PGM PROCESSING | Minor source | No |
| PHILLIPS 66 PIPELINE LLC / BRAY PUMP STATION | Minor source | No |
| PLAINS PIPELINE LP / COMANCHE STATION | Minor source | No |
| PLAINS PIPELINE LP / DUNCAN CRUDE OIL STATION | Minor source | No |
| PUBLIC SERVICE COMPANY OF OKLAHOMA / COMANCHE TS | Minor source | No |
| PUBLIC SERVICE COMPANY OF OKLAHOMA / COMANCHE WFEC TS | Minor source | No |
| REAMES CLNR / 1206 N HWY 81 REAMES CLEANERS | Minor source | No |
| SOUTHWEST PLATING INC / DUNCAN PLATING FACILITY | Minor source | No |
| STEPHENS AND JOHNSON OPERATING CO / TUSSY UNIT CTL TANK BATTERY | Synthetic minor source | No |
| STEPHENS AND JOHNSON OPERATING CO / VESS ACT BATTERY | Synthetic minor source | No |
| TARGA PIPELINE MIDCONTINENT LLC / ALMA BOOSTER STATION | Minor source | No |
| TARGA PIPELINE MIDCONTINENT LLC / EAST DOYLE COMPRESSOR STATION | Synthetic minor source | No |
| TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | Major source | No |
| TARGA PIPELINE MIDCONTINENT LLC / MAXWELL COMPRESSOR STATION | Synthetic minor source | No |
| TARGA PIPELINE MIDCONTINENT LLC / PLATO COMPRESSOR STATION | Minor source | No |
| TARGA PIPELINE MIDCONTINENT LLC / SHAW COMPRESSOR STATION | Synthetic minor source | No |
| TARGA PIPELINE MIDCONTINENT LLC / VELMA GAS PLANT | Major source | No |
| TARGA PIPELINE MIDCONTINENT LLC / VELMA RIDGE COMMUNICATIONS TOWER | Minor source | No |
| TERRITORY RESOURCES LLC / ABNEY ELLA REE 1 15 STATION | Minor source | No |
| TERRITORY RESOURCES LLC / ANN 1 16 R R 1 16 STATION | Minor source | No |
| TERRITORY RESOURCES LLC / BAUGHN 1 18 STATION | Minor source | No |
| TERRITORY RESOURCES LLC / BEXAR 3 27 STATION | Minor source | No |
| TERRITORY RESOURCES LLC / COLE FAMILY 2 16 DEHYDRATION STATION | Minor source | No |
| TERRITORY RESOURCES LLC / CORA CATHERINE 1 11 | Minor source | No |
| TERRITORY RESOURCES LLC / CORA KATHERINE 2 11 | Synthetic minor source | No |
| TERRITORY RESOURCES LLC / COTTONWOOD 5 11 STATION | Minor source | No |
| TERRITORY RESOURCES LLC / DONOHEW 2 16 CITY OF MARLOW 7 17 DON | Minor source | No |
| TERRITORY RESOURCES LLC / FINCHER 1 14 | Minor source | No |
| TERRITORY RESOURCES LLC / GRAVES 3 12 | Minor source | No |
| TERRITORY RESOURCES LLC / HULEN 1 2 MENDENHALL 1 2H STATION | Minor source | No |
| TERRITORY RESOURCES LLC / KOVAR 1 23 STATION | Minor source | No |
| TERRITORY RESOURCES LLC / MITCHELL 1 10H | Minor source | No |
| TERRITORY RESOURCES LLC / RICHARDSON 1 19H | Minor source | No |
| TERRITORY RESOURCES LLC / SARAH 1 7 STATION | Minor source | No |
| TERRITORY RESOURCES LLC / THUNDERHAWK CDP | Synthetic minor source | No |
| TERRITORY RESOURCES LLC / WB STATION | Minor source | No |
| TERRITORY RESOURCES LLC / WHITAKER 1 16 FACILITY | Synthetic minor source | No |
| TERRITORY RESOURCES LLC / YOUNG 4 13 PAD | Minor source | No |
| TERRITORY RESOURCES LLC / YOUNG 5 13 STA | Minor source | No |
| TEXOMA CRUDE OIL PIPELINE CO LLC / PURDY STATION | Minor source | No |
| TEXOMA CRUDE OIL PIPELINE CO LLC / VELMA JUNCTON CRUDE OIL STATION | Minor source | No |
| TMOBILE CENTRAL LLC / BRAY OK02637A | Minor source | No |
| TMOBILE CENTRAL LLC / OK01791C | Minor source | No |
| TMOBILE CENTRAL LLC / OK01794A | Minor source | No |
| TMOBILE CENTRAL LLC / OK01796A COMANCHE | Minor source | No |
| TMOBILE CENTRAL LLC / OK03074B DUNCAN | Minor source | No |
| TMOBILE CENTRAL LLC / OK03077B | Minor source | No |
| TMOBILE CENTRAL LLC / OK0371B | Minor source | No |
| TROY ENERGY / DALEY 1 15 | Minor source | No |
| US CELLULAR / HARRISBURG 751404 | Minor source | No |
| VALCO MFG / VALCO DUNCAN FACILITY | Minor source | No |
| VALIDUS ENERGY II MIDCON LLC / ZENYATTA PAD | Synthetic minor source | No |
| VENTANA EXPLORATION AND PRODUCTION II L / KELLY 1 2H | Minor source | No |
| VERIZON WIRELESS / COMANCHE | Minor source | No |
| VERIZON WIRELESS / DUNCAN WEST OK | Minor source | No |
| VERIZON WIRELESS / EMPIRE CITY | Minor source | No |
| VERIZON WIRELESS / MARLOW | Minor source | No |
| VERIZON WIRELESS / VELMA | Minor source | No |
| VERIZON WIRELESS / VELMA RELO | Minor source | No |
| WESTERN FARMERS ELECTRIC COOPERATIVE / DUNCAN MW | Minor source | No |
| WESTERN FARMERS ELECTRIC COOPERATIVE / LOCO SW | Minor source | No |
| XTO ENERGY INC / CLARENCE 1 29H28 FOSTER 1 29H PRODUCT | Minor source | No |
| XTO ENERGY INC / GOINS 1 9H PRODUCTION SITE | Minor source | No |
| XTO ENERGY INC / LAWAYNE 1 17H PRODUCTION SITE | Minor source | No |
| XTO ENERGY INC / LELAND 1 18H PRODUCTION SITE | Minor source | No |
| XTO ENERGY INC / RITTER 1 14H PRODUCTION SITE | Minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.