Facility profile
Knife River Cheyenne
Under review. Last recorded ECHO inspection: 2016-08-09.
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
2016-08-09
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 | 0 lbs | 0 lbs | 130 lbs | 130 lbs |
| 2023 | 1 lbs | 0 lbs | 100 lbs | 101 lbs |
| 2024 | 1 lbs | 0 lbs | 120 lbs | 121 lbs |
Chemical breakdown
What this facility is reporting
-
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Latest 2024 TRI data shows land 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.
-
Lead compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Mercury compounds
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
Under review. Last recorded ECHO inspection: 2016-08-09.