EPA Air · stack tests by county and year
Air-emissions stack tests in Dauphin County, Pennsylvania, 2026
- 4Stack 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 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 Dauphin County facility page.
Dauphin County, Pennsylvania, 2026
Air-emissions stack tests in Dauphin County, other years
Air-emissions stack tests recorded in Dauphin County, Pennsylvania, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-13 | HERSHEY CO/WWTP | Pass | State |
| 2026-07-08 | PA STATE UNIV/MILTON S HERSHEY MED CTR | Pass | State |
| 2026-04-16 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | Pass | State |
| 2026-02-18 | ENERGY CTR HBG LLC/ENERGY CTR PAXTON LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.