EPA Air · stack tests by county and year
Air-emissions stack tests in Dauphin County, Pennsylvania, 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 Dauphin 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 Dauphin County facility page.
Dauphin County, Pennsylvania, 2025
Air-emissions stack tests in Dauphin County, other years
Air-emissions stack tests recorded in Dauphin County, Pennsylvania, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-17 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | Pending | State |
| 2025-12-17 | DERRY TWP MUNI AUTH/CLEARWATER RD | Pass | State |
| 2025-11-12 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | Pass | State |
| 2025-08-19 | HERSHEY CO/WWTP | Pass | State |
| 2025-07-18 | PA STATE UNIV/MILTON S HERSHEY MED CTR | Pass | State |
| 2025-07-08 | TEXAS EASTERN TRANS LP/GRANTVILLE | Pass | State |
| 2025-05-28 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | Fail | State |
| 2025-03-23 | CLEVELAND CLIFFS STEELTON LLC/STEELTON | Pass | State |
| 2025-02-12 | ENERGY CTR HBG LLC/ENERGY CTR PAXTON LLC | Pass | State |
| 2025-01-29 | TEXAS EASTERN TRANS LP/GRANTVILLE | 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 with stack tests in Dauphin county, PA, in 2025. The page lists 10 stack tests recorded in 2025.