Facility profile
Calumet Montana Refining (cmr), Llc
Significant Violation across 12 of the last 12 quarters, with $409,709 in recorded penalties.
Noncompliance quarters
12
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$409,709
Recorded enforcement amount carried into the facility page.
Last inspection
2025-08-18
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 | 107,743 lbs | 0 lbs | 1,196 lbs | 108,938 lbs |
| 2023 | 120,824 lbs | 0 lbs | 2,052 lbs | 122,876 lbs |
| 2024 | 84,597 lbs | 0 lbs | 357 lbs | 84,953 lbs |
Chemical breakdown
What this facility is reporting
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n-Hexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Propylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Toluene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrogen sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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1, 2, 4-Trimethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cyclohexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cumene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nickel compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Lead
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Mercury
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrogen fluoride
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Molybdenum trioxide
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
Significant Violation across 12 of the last 12 quarters, with $409,709 in recorded penalties.