EPA Air · stack tests by county and year
Air-emissions stack tests in Dauphin County, Pennsylvania, 2026
- 5Stack 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 |
| 2026-07-15 | BYLER QUARRIES LLC/FIDDLERS ELBOW QUARRY S | Fail | 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.
What this page shows
This page covers stack tests for Clean Air Act facilities in the EPA air register in Dauphin county, PA, for 2026. Stack tests recorded in 2026: 4.