Facility profile
Koppers Inc (susquehana Pa)
Significant noncompliance across 3 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
3
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-08-26
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are higher in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 1,602 lbs | 7 lbs | 0 lbs | 1,609 lbs |
| 2023 | 1,702 lbs | 10 lbs | 0 lbs | 1,712 lbs |
| 2024 | 1,702 lbs | 9 lbs | 0 lbs | 1,710 lbs |
Chemical breakdown
What this facility is reporting
-
Creosote
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Polycyclic aromatic compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Benzo[g, h, i]perylene
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
Significant noncompliance across 3 of the last 12 quarters in the imported ECHO record.