EPA Air · stack tests by county and year
Air-emissions stack tests in Mercer County, Pennsylvania, 2024
- 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 Mercer County, Pennsylvania during 2024. 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 Mercer County facility page.
Mercer County, Pennsylvania, 2024
Air-emissions stack tests in Mercer County, other years
What stands out
- Stack tests in Mercer County, Pennsylvania, rose from 8 in 2023, the previous year on file, to 9 in 2024.
- The county’s file for stack tests holds 10 years of events, from 2017 through 2026.
- Its 9 stack tests rank 26th of the 53 county cells in Pennsylvania for 2024.
- Its 9 stack tests are 1% of the 905 the state’s file holds for 2024.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Mercer County, Pennsylvania, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-12-03 | PIN OAK MIDSTREAM LLC/JACKSON CTR COMP STA | Pass | State |
| 2024-10-01 | HERMITAGE MUNI AUTH/HERMITAGE WPCP | Pass | State |
| 2024-05-15 | HILCORP ENERGY CO/JEFFERSON MONTGOMERY STA | Pass | State |
| 2024-05-14 | HILCORP ENERGY CO/LACKAWANNOCK LARMON CTL FAC | Pass | State |
| 2024-03-28 | HILCORP ENERGY CO/JEFFERSON MONTGOMERY STA | Pass | State |
| 2024-03-19 | ANCHOR CONCRETE FREDONIA PLT | Pass | State |
| 2024-03-05 | PIN OAK MIDSTREAM LLC/HURTT COMP STA | Fail | State |
| 2024-01-22 | NATL FUEL GAS SUPPLY CORP/MERCER COMP STA | Pass | State |
| 2024-01-10 | NATL FUEL GAS SUPPLY CORP/MERCER COMP STA | 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 stack tests for Clean Air Act facilities in Mercer county, PA, in 2024. It lists 9 stack tests recorded in 2024.