Facility profile
Koppers, Inc.
Violation across 2 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
2
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2026-01-08
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 16,624 lbs | 0 lbs | 0 lbs | 16,624 lbs |
| 2023 | 18,226 lbs | 0 lbs | 0 lbs | 18,226 lbs |
| 2024 | 12,017 lbs | 0 lbs | 0 lbs | 12,018 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 air as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
Violation across 2 of the last 12 quarters in the imported ECHO record.