EPA Air · stack tests by county and year
Air-emissions stack tests in Marshall County, Oklahoma, 2025
- 10Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Marshall County, Oklahoma during 2025. 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 Marshall County facility page.
Marshall County, Oklahoma, 2025
Air-emissions stack tests in Marshall County, other years
Air-emissions stack tests recorded in Marshall County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-15 | TARGA PIPELINE MIDCONTINENT LLC / GOFF COMPRESSOR STATION | Pass | State |
| 2025-04-09 | XTO ENERGY INC / JOHNSON 1 31 PRODUCTION SITE | Pass | State |
| 2025-04-03 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
| 2025-04-03 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
| 2025-04-02 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
| 2025-04-02 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
| 2025-04-01 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
| 2025-04-01 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
| 2025-03-31 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
| 2025-03-31 | XTO ENERGY INC / PETTIJOHN CDP | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.