Facility profile
Knife River Portland
No Violation Identified. Last recorded ECHO inspection: 2001-06-08.
Noncompliance quarters
0
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2001-06-08
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are flat between 2022 and 2024.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 1 lbs | 0 lbs | 0 lbs | 1 lbs |
| 2023 | 1 lbs | 0 lbs | 0 lbs | 1 lbs |
| 2024 | 1 lbs | 0 lbs | 0 lbs | 1 lbs |
Chemical breakdown
What this facility is reporting
-
Polycyclic aromatic compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Lead 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
No Violation Identified. Last recorded ECHO inspection: 2001-06-08.