Facility profile
Dyno Nobel Inc-cheyenne Plant
Significant Violation across 2 of the last 12 quarters, with $415,258 in recorded penalties.
Noncompliance quarters
2
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$415,258
Recorded enforcement amount carried into the facility page.
Last inspection
2025-08-27
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 | 706,583 lbs | 0 lbs | 3,716,128 lbs | 4,422,711 lbs |
| 2023 | 706,975 lbs | 0 lbs | 5,362,713 lbs | 6,069,688 lbs |
| 2024 | 1,094,933 lbs | 0 lbs | 5,363,614 lbs | 6,458,547 lbs |
Chemical breakdown
What this facility is reporting
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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.
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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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Formaldehyde
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylene glycol
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Nitric acid
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.
Enforcement layer
Why the ECHO-style detail matters
Significant Violation across 2 of the last 12 quarters, with $415,258 in recorded penalties.