EPA Air · stack tests by county and year
Air-emissions stack tests in Northampton County, Pennsylvania, 2024
- 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 Northampton 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 Northampton County facility page.
Northampton County, Pennsylvania, 2024
Air-emissions stack tests in Northampton County, other years
Air-emissions stack tests recorded in Northampton County, Pennsylvania, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-12-16 | CALPINE BETHLEHEM LLC/BETHLEHEM — high-priority violation on file | Pass | State |
| 2024-12-03 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | Pass | State |
| 2024-09-17 | KEYSTONE PORTLAND CEMENT/EAST ALLEN — high-priority violation on file | Pass | State |
| 2024-08-20 | COLUMBIA GAS TRANS CORP/FORKS TWP FAC EASTON CTA | Pending | State |
| 2024-07-10 | COLUMBIA GAS TRANS CORP/FORKS TWP FAC EASTON CTA | Pass | State |
| 2024-06-13 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | Pass | State |
| 2024-05-15 | FRESHPET INC/BETHLEHEM | Pass | State |
| 2024-05-02 | HERCULES CEMENT CO LLC/STOCKERTOWN | Pass | State |
| 2024-02-29 | NORTHAMPTON GEN CO/NORTHAMPTON | Pass | State |
| 2024-01-11 | COLUMBIA GAS TRANS CORP/HELLERTOWN CT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.