Facility profile
Oneok Rockies Midstream Llc - Grasslands Gas Plant
No Violation Identified
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
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 | 10,720 lbs | 0 lbs | 13,913,881 lbs | 13,924,601 lbs |
| 2023 | 13,996 lbs | 0 lbs | 12,911,835 lbs | 12,925,831 lbs |
| 2024 | 17,919 lbs | 0 lbs | 12,137,022 lbs | 12,154,941 lbs |
Chemical breakdown
What this facility is reporting
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Hydrogen sulfide
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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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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Cyclohexane
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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Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Diethanolamine
Latest 2024 TRI data shows land 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.
Enforcement layer
Why the ECHO-style detail matters
No Violation Identified