EPA Air · stack tests by county and year
Air-emissions stack tests in Susquehanna County, Pennsylvania, 2025
- 159Stack 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 Susquehanna County, Pennsylvania 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 Susquehanna County facility page.
Susquehanna County, Pennsylvania, 2025
Air-emissions stack tests in Susquehanna County, other years
Air-emissions stack tests recorded in Susquehanna County, Pennsylvania, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-18 | EXPAND OPERATING LLC/WR-64 FIONDI PAD | Pass | State |
| 2025-12-16 | REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA | Pass | State |
| 2025-12-12 | BLUESTONE PIPELINE CO/COMFORT LAKE COMP STA | Pass | State |
| 2025-12-10 | EXPAND OPERATING LLC/SCOTT WELLPAD | Pass | State |
| 2025-11-24 | EMPET, D. PAD 1 | Pass | State |
| 2025-11-19 | EXPAND OPERATING LLC/MASSO SUS PAD | Pass | State |
| 2025-11-19 | EXPAND OPERATING LLC/RU-09 HUMBERT III PAD | Pass | State |
| 2025-11-19 | EXPAND OPERATING LLC/RU-20 ROMAN PAD | Pass | State |
| 2025-11-13 | STODDARD, T. PAD 1 | Pass | State |
| 2025-11-13 | CRANE, J PAD 1 — high-priority violation on file | Pass | State |
| 2025-11-12 | WILLIAMS FIELD SVC CO LLC/CHURCH COMP STA | Pass | State |
| 2025-11-06 | EXPAND OPERATING LLC/INNES PAD | Pass | State |
| 2025-11-06 | CRANE, J PAD 1 — high-priority violation on file | Pending | State |
| 2025-11-06 | DIAZ FAMILY, LP PAD 2 | Pass | State |
| 2025-10-23 | WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA | Pass | State |
| 2025-10-22 | BKV OPERATING LLC/BAKER WEST COMPRESSOR STATION | Pass | State |
| 2025-10-22 | CABOT OIL & GAS CORP/FOLTZ J PAD 1 | Pass | State |
| 2025-10-22 | EXPAND OPERATING LLC/HOLTAN SUS WELLPAD | Pass | State |
| 2025-10-22 | MOORE, S. PAD 1 | Pass | State |
| 2025-10-21 | EXPAND OPERATING LLC/WOOSMAN PAD | Pass | State |
| 2025-10-21 | FLOWER, T. PAD 1 | Pass | State |
| 2025-10-21 | WOOD, E. PAD 1 | Pass | State |
| 2025-10-20 | CABOT OIL & GAS CORP/TEDDICK, M. PAD 1 | Pass | State |
| 2025-10-20 | CABOT OIL & GAS CORP/JEFFERS FARMS PAD 5 | Pass | State |
| 2025-10-16 | SUSQUEHANNA GATHERING/CDP 1 COMP STA | Pass | State |
| 2025-10-16 | HALLIDAY, A. PAD 1 | Pass | State |
| 2025-10-15 | CORBIN, J. PAD 1 | Pass | State |
| 2025-10-15 | BENEDIKT, K. PAD 1 | Pass | State |
| 2025-10-13 | WILLIAMS FIELD SVC CO LLC/JONES COMP STA | Pass | State |
| 2025-10-13 | PRECISION CAPITAL, LP PAD 1 | Pass | State |
| 2025-10-13 | TUCKER, H. PAD 1 | Pass | State |
| 2025-10-03 | COTERRA ENERGY INC/HAYNES W PAD 1 | Pass | State |
| 2025-10-02 | AUSTIN, E. PAD 1 | Pass | State |
| 2025-10-01 | CABOT OIL & GAS CORP/KROPA, T. PAD 1 | Pass | State |
| 2025-10-01 | COTERRA ENERGY INC/ADAMS J PAD 1 | Pass | State |
| 2025-09-30 | EXPAND OPERATING LLC/MARIS SUS PAD | Pass | State |
| 2025-09-25 | EXPAND OPERATING LLC/HOOKER SUS PAD | Pass | State |
| 2025-09-24 | HOUSENICK, J. PAD 1 | Pass | State |
| 2025-09-24 | WARRINER, R. PAD 2 | Pass | State |
| 2025-09-23 | EXPAND OPERATING LLC/ RU-13 TONYA EAST PAD | Pass | State |
| 2025-09-16 | SUSQUEHANNA GATHERING CO 1 LLC/CDP 3 | Pass | State |
| 2025-09-11 | WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA | Pass | State |
| 2025-09-11 | REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA | Pass | State |
| 2025-09-09 | WILLIAMS FIELD SVC CO LLC/SHASKAS COMP STA | Pass | State |
| 2025-09-09 | EXPAND OPERATING LLC/NOWICKI PAD NR25 | Pass | State |
| 2025-09-05 | EXPAND OPERATING LLC/ROSIEMAR SUS PAD | Pass | State |
| 2025-09-03 | PAYNE, D. PAD 1 | Pass | State |
| 2025-09-02 | WRIGHT, W. PAD 1 | Pass | State |
| 2025-09-02 | VANDERMARK, R. PAD 1 | Pass | State |
| 2025-08-21 | EXPAND OPERATING LLC/RU-75 SGL-A WELLPAD | Pass | State |
| 2025-08-21 | EXPAND OPERATING LLC/RU-75 SGL-A WELLPAD | Pass | State |
| 2025-08-20 | EXPAND OPERATING LLC/RU-71 BLUE BECK WELLPAD | Pass | State |
| 2025-08-19 | EXPAND OPERATING LLC/RU-46 DROPP WELLPAD | Pass | State |
| 2025-08-19 | EXPAND OPERATING LLC/RU-47 KARMAZIN PAD | Pass | State |
| 2025-08-13 | REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA | Pass | State |
| 2025-08-13 | PAYNE, D. PAD 1 | Pending | State |
| 2025-08-08 | CABOT OIL & GAS CORP/MAKOSKY T PAD 1 | Pass | State |
| 2025-08-08 | GREENWOOD, R. PAD 2 | Pass | State |
| 2025-08-07 | SUSQUEHANNA GATHERING/NORTH RANGE CPF 1 COMP STA | Pass | State |
| 2025-08-05 | WARRINER, S PAD 1 — high-priority violation on file | Pass | State |
| 2025-08-05 | MOGRIDGE, C. PAD 1 — high-priority violation on file | Pass | State |
| 2025-08-04 | CAREY, R. PAD 1 | Pass | State |
| 2025-08-04 | TSOUROUS, A. PAD 1 | Pass | State |
| 2025-07-30 | SWN PROD CO LLC/DEPUE COMP STA | Pass | State |
| 2025-07-30 | EXPAND OPERATING LLC/NICKOLYN WELL PAD | Pass | State |
| 2025-07-29 | SOUTHWESTERN ENERGY CO/SCARLET OAK 1H | Pass | State |
| 2025-07-29 | RAG APPLE LLC PAD 1 — high-priority violation on file | Pass | State |
| 2025-07-29 | RUSSO, B. PAD 1 — high-priority violation on file | Pass | State |
| 2025-07-28 | JHHC PAD 1 — high-priority violation on file | Pass | State |
| 2025-07-28 | PENNAY, G PAD 1 | Pass | State |
| 2025-07-24 | APPALACHIA MIDSTREAM SVC LLC/AUBURN COMP STA | Pass | State |
| 2025-07-23 | WILLIAMS FIELD SVC CO LLC/KANE ROAD COMP STA | Pass | State |
| 2025-07-22 | SOUTHWESTERN ENERGY CO/RACINE 5H | Pass | State |
| 2025-07-21 | WILLIAMS FIELD SVC CO LLC/SNAKE CREEK COMP STA | Pass | State |
| 2025-07-21 | CABOT OIL & GAS CORP/BISHOP, B PAD 1 | Pass | State |
| 2025-07-16 | STARZEC, E. PAD 1 | Pass | State |
| 2025-07-16 | GEIGER, K. PAD 1 | Pass | State |
| 2025-07-09 | WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA | Pass | State |
| 2025-07-07 | WILLIAMS FIELD SVC CO LLC/FRASER COMP STA | Pass | State |
| 2025-07-02 | SOUTHWESTERN ENERGY CO/KOZIOL 5H-6H | Pass | State |
| 2025-07-01 | APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA | Pass | State |
| 2025-06-30 | APPALACHIA MIDSTREAM SVC LLC/AUBURN COMP STA | Pass | State |
| 2025-06-26 | HUSTON, J. PAD 1 | Pass | State |
| 2025-06-26 | HAWK, J. PAD 1 | Pass | State |
| 2025-06-25 | UGI AUBURN GATHERING LLC/ANDERSON COMP STA | Pass | State |
| 2025-06-25 | LARUE, C PAD 2 — high-priority violation on file | Pass | State |
| 2025-06-25 | POWERS, M. PAD 1 | Pass | State |
| 2025-06-24 | UGI AUBURN GATHERING LLC/AUBURN COMP STA | Pass | State |
| 2025-06-24 | WILLIAMS FIELD SVC CO LLC/NORTHEAST COMP STA | Pass | State |
| 2025-06-24 | SQUIER, R. PAD 1 — high-priority violation on file | Pass | State |
| 2025-06-24 | LAUFFER, J. PAD 1 — high-priority violation on file | Pass | State |
| 2025-06-18 | EXPAND OPERATING LLC/N-24 BUCKHORN WELL PAD | Pass | State |
| 2025-06-16 | EXPAND OPERATING LLC/RU-06 FLOHS PAD | Pass | State |
| 2025-06-11 | XPRESS NATURAL GAS LLC/MONTROSE — high-priority violation on file | Pass | State |
| 2025-06-05 | BLUESTONE PIPELINE/CDP#1-A | Pass | State |
| 2025-06-04 | EXPAND OPERATING LLC/NR02 ENDLESS MOUNTAIN WELLPAD | Pass | State |
| 2025-05-21 | EXPAND OPERATING LLC/VALENTINE CPF 1 | Pass | State |
| 2025-05-21 | EXPAND OPERATING LLC/VALENTINE CPF 1 | Pass | State |
| 2025-05-19 | KING, D. PAD 1 — high-priority violation on file | Pass | State |
| 2025-05-14 | WILLIAMS FIELD SVC CO/POTTER COMP STA | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.