EPA Air · stack tests by county and year
Air-emissions stack tests in Fayette County, Pennsylvania, 2026
- 9Stack 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 Fayette County, Pennsylvania 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 Fayette County facility page.
Fayette County, Pennsylvania, 2026
Air-emissions stack tests in Fayette County, other years
Air-emissions stack tests recorded in Fayette County, Pennsylvania, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-29 | LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file | Pass | State |
| 2026-06-23 | TEXAS EASTERN TRANS LP/UNIONTOWN STA — high-priority violation on file | Pass | State |
| 2026-06-03 | LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file | Pass | State |
| 2026-03-30 | LAUREL MTN MIDSTREAM OPR LLC/DUNBAR COMP STA | Pass | State |
| 2026-03-02 | LAUREL MTN MIDSTREAM OPR LLC/PRAH COMP STA | Pass | State |
| 2026-03-02 | INR MIDSTREAM LLC/WEST SUMMIT COMP STA | Pass | State |
| 2026-02-24 | EASTERN GAS TRANSMISSION & STORAGE INC/NORTH SUMMIT | Pass | State |
| 2026-02-17 | CHESTNUT VALLEY LDFL LLC/GERMAN TWP — high-priority violation on file | Pass | State |
| 2026-02-05 | LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.