EPA Air · inspections by county and year
Air-emissions inspections in Stephens County, Oklahoma, 2026
- 3Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Stephens County, Oklahoma during 2026. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Stephens County facility page.
Air-emissions inspections in Stephens County, other years
Air-emissions inspections recorded in Stephens County, Oklahoma, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-11 | TARGA PIPELINE MIDCONTINENT LLC / VELMA GAS PLANT | FCE On-Site | State |
| 2026-05-12 | ONEOK FIELD SERVICES CO LLC / SOUTH KNOX COMPRESSOR STATION | FCE On-Site | State |
| 2026-02-09 | HALLIBURTON ENERGY SERVICES INC - PLANT / DUNCAN PLANT 2 | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.