County page
Stephens County
Stephens County currently shows 0 Superfund sites, 63 imported facility profiles, and 12,602 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Stephens County.
The latest loaded TRI year is 2024, with 12,602 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Facilities
Worst polluters and compliance pressure
Dcp Operating Co Lp / Skipper Compressor Station
Significant noncompliance across 6 of the last 12 quarters, with $6,300 in recorded penalties.
Stephens Co Rw&sd #1-treatment Plant
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Cesi Chemical
No Violation Identified across 1 of the last 12 quarters, with $28,175 in recorded penalties.
Comanche Public Works Authority
Significant noncompliance across 9 of the last 12 quarters in the imported ECHO record.
Duncan Public Utilities Auth
Significant Violation across 3 of the last 12 quarters, with $20,000 in recorded penalties.
Stephens Co Rwd #4 (loco)
Inactive across 7 of the last 12 quarters in the imported ECHO record.
Atlas Pipeline Midc/velma Gas Plt
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Duncan
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Citation Oil and Gas Corp / Countyline Unit Tank Battery
No Violation Identified across 1 of the last 12 quarters, with $2,520 in recorded penalties.
Dcp Operating Co Lp / Crossroads Compressor Station
No Violation Identified across 1 of the last 12 quarters, with $1,750 in recorded penalties.
Et Gathering Processing Llc / Vortex Compressor Station
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Marlow Municipal Authority
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Stephens Co Rwd #5
Violation Identified across 4 of the last 12 quarters in the imported ECHO record.
Ovintiv Usa Inc / Baxendale Ctb
No Violation Identified with $1,400 in recorded penalties.
Ovintiv Usa Inc / Hunter Ctb
No Violation Identified with $1,400 in recorded penalties.
Halliburton Energy Services, Inc.
No Violation Identified. Last recorded ECHO inspection: 2024-02-29.
Stephens Co Rwd #3 (meridian)
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Dcp Operating Co Lp / Lightning Compressor Station
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Et Gathering Processing Llc / Velma Compressor Facility
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Halliburton Engry Svcs - Plant 2
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| n-Hexane | TRI-listed chemical | 1 | 9,748 lbs |
| Ethylene glycol | TRI-listed chemical | 2 | 603 lbs |
| Methanol | TRI-listed chemical | 2 | 584 lbs |
| Certain glycol ethers | TRI-listed chemical | 1 | 410 lbs |
| Toluene | Volatile organic compound | 1 | 392 lbs |
| Benzene | Volatile organic compound | 1 | 332 lbs |
| Manganese | TRI-listed chemical | 1 | 154 lbs |
| Nickel | Metals and metal compounds | 1 | 97 lbs |
| Ethylbenzene | Volatile organic compound | 1 | 96 lbs |
| Chromium | Metals and metal compounds | 1 | 92 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 1 | 86 lbs |
| Cyclohexane | TRI-listed chemical | 1 | 8 lbs |
| Nickel compounds | Metals and metal compounds | 1 | 0 lbs |
| Diisocyanates | TRI-listed chemical | 1 | 0 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 1 | 0 lbs |
| Lead compounds | Metals and metal compounds | 2 | 0 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Oklahoma
Oklahoma facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Oklahoma
Oklahoma facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Oklahoma
Oklahoma facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.