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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and stack tests in Marshall county, OK, in 2025. The stack tests recorded in 2025 total 10.