# OKLAHOMA NATURAL GAS COMPANY, A DIVISION OF ONE GAS, INC. — Gas transmission and gathering — incident on 2016-12-14

**Citation:** PHMSA Report 20170004  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2016-12-14  
**Published:** 2017-01-12

Gas transmission and gathering incident in OKLAHOMA CITY, OKLAHOMA County, OK. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 6431 NATURAL GAS released, $9,334 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: significant incident, not serious.

## Document text

Gas transmission and gathering incident in OKLAHOMA CITY, OKLAHOMA County, OK. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 6431 NATURAL GAS released, $9,334 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20170004.

Operator ID: 14210.

Reported incident date: 12/14/2016 15:12.

Location detail: 388.5 + 00

Cause detail: EXCAVATION DAMAGE BY OPERATOR'S CONTRACTOR (SECOND PARTY)

Cause detail: EXCAVATION ISSUE

Cause detail: IMPROPER BACKFILLING PRACTICES

Cause detail: ONG CONTRACTOR DAMAGED ONG'S 8 INCH STEEL TRANSMISSION LINE WHILE BACKFILLING A NEWLY CONSTRUCTED 12 INCH STEEL LINE. THE DAMAGED LINE RUNS PARALLEL TO THE NEWLY CONSTRUCTED LINE. REPAIRS WERE COMPLETED AND SERVICE TO THE ONE IMPACTED CUSTOMER WAS RESTORED THE FOLLOWING DAY.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — OPERATOR/CONTRACTOR EXCAVATION DAMAGE.

PHMSA indexed costs: $92,127 reported total cost, $60,619.892 in 1984 dollars, $115,019.799 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.

## Provenance

- Official: Yes
- Source: <https://data.transportation.gov/api/views/27nc-rsge/files/2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8?download=true&filename=Gas%20Transmission%20%26%20Gathering%20Incident%20Data%20-%20January%202010%20to%20present.zip>
- Source ID: `phmsa-pipeline-incidents`
- SHA-256: `672016bb1f810c1d69f4bf0a399d482416d57a0200f130b47871b6bbcce34b35`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-24T15:06:49.469Z
- Document slug: `phmsa-incident-430a84815112bf41fe670220`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "January 2010 to present",
  "report": {
    "number": "20170004",
    "supplementalNumber": "17261",
    "type": "ORIGINAL FINAL",
    "receivedDate": "2017-01-12",
    "receivedDateRaw": "1/12/2017"
  },
  "operator": {
    "id": "14210",
    "name": "OKLAHOMA NATURAL GAS COMPANY, A DIVISION OF ONE GAS, INC."
  },
  "incident": {
    "date": "2016-12-14",
    "dateRaw": "12/14/2016 15:12"
  },
  "location": {
    "city": "OKLAHOMA CITY",
    "county": "OKLAHOMA",
    "state": "OK",
    "postalCode": "73141",
    "latitude": 35.541946,
    "longitude": -97.395601,
    "type": "PIPELINE RIGHT-OF-WAY",
    "details": {
      "DESIGNATED_NAME": "388.5 + 00"
    },
    "facilityName": "A-455 NORTH"
  },
  "cause": {
    "category": "EXCAVATION DAMAGE",
    "details": {
      "CAUSE_DETAILS": "EXCAVATION DAMAGE BY OPERATOR'S CONTRACTOR (SECOND PARTY)",
      "ROOT_CAUSE_CATEGORY": "EXCAVATION ISSUE",
      "ROOT_CAUSE_TYPE": "IMPROPER BACKFILLING PRACTICES",
      "NARRATIVE": "ONG CONTRACTOR DAMAGED ONG'S 8 INCH STEEL TRANSMISSION LINE WHILE BACKFILLING A NEWLY CONSTRUCTED 12 INCH STEEL LINE. THE DAMAGED LINE RUNS PARALLEL TO THE NEWLY CONSTRUCTED LINE. REPAIRS WERE COMPLETED AND SERVICE TO THE ONE IMPACTED CUSTOMER WAS RESTORED THE FOLLOWING DAY."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": "NATURAL GAS",
    "release": "6431",
    "propertyDamage": 9334,
    "estimatedOperatorCost": 45000,
    "estimatedEmergencyCost": 11728,
    "estimatedEnvironmentalCost": null,
    "ignition": "NO",
    "explosion": "NO",
    "evacuated": 1,
    "raw": {
      "FATAL": "0",
      "INJURE": "0",
      "UNINTENTIONAL_RELEASE": "6431",
      "EST_COST_PROP_DAMAGE": "9334",
      "PRPTY": "92127"
    }
  },
  "provenance": {
    "viewId": "27nc-rsge",
    "viewUrl": "https://data.transportation.gov/api/views/27nc-rsge",
    "assetId": "2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8",
    "archiveFilename": "Gas Transmission & Gathering Incident Data - January 2010 to present.zip",
    "archiveSha256": "fe0b136ca4b00ac987a8bc2e195098accf910d97512c5fc3b59e62d9da5f674e",
    "memberPath": "incident_gas_transmission_gathering_jan2010_present.txt",
    "memberSha256": "b435f2a25718cf54c54e00294e6788c4f9c6860e02fb86355e75d294c243c4dd",
    "rowNumber": 1145,
    "rowSha256": "572e93bfbd61820f9e7db178c1dbc9087ea972d1e19ba918f64e1765bde7f11e"
  },
  "caveat": "Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.",
  "operatorReported": true,
  "finalAgencyFinding": false,
  "flaggedAnalysis": {
    "dataAsOf": "2026-07-31",
    "flags": {
      "fireFirst": null,
      "significant": true,
      "serious": false
    },
    "standardizedCause": {
      "sevenCategory": "EXCAVATION DAMAGE",
      "sevenSubcategory": "OPERATOR/CONTRACTOR EXCAVATION DAMAGE",
      "eightCategory": "EXCAVATION DAMAGE",
      "eightSubcategory": "OPERATOR/CONTRACTOR EXCAVATION DAMAGE"
    },
    "costs": {
      "reported": 92127,
      "in1984Dollars": 60619.89238800371,
      "currentYearDollars": 115019.79896959977
    },
    "caveat": "PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.",
    "provenance": {
      "sourceUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/PHMSA_Pipeline_Safety_Flagged_Incidents.zip",
      "landingPageUrl": "https://www.phmsa.dot.gov/data-and-statistics/pipeline/pipeline-incident-flagged-files",
      "catalogUrl": "https://data.transportation.gov/Pipelines-and-Hazmat/Pipeline-Incident-Flagged-Files/qdme-9bbm",
      "retrievalMode": "official_live",
      "archivedAt": null,
      "archiveSha256": "317e6a3e16d60b9b677efe391dc40258b5dd7ead83fb8bea74cb553cedfbbdec",
      "workbook": "gtggungs2010toPresent.xlsx",
      "sheet": "gtggungs2010toPresent",
      "rowNumber": 852,
      "rowSha256": "46e55e3bf31752869b1b7f75cc72bcd86f1974219272bf27e912f3f8604d4927"
    }
  },
  "jurisdiction": "US",
  "operatorName": "OKLAHOMA NATURAL GAS COMPANY, A DIVISION OF ONE GAS, INC."
}
```