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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Northampton county, PA, in 2024. It lists 10 stack tests recorded in 2024.