# EXXONMOBIL OIL CORPORATION — Jefferson County, TX

**Citation:** NPMS FIPS 48245 / OPID 12624  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

3.136991 active Hydrogen Gas pipeline miles in Jefferson County, TX; public NPMS snapshot 2026-07-16.

## Document text

EXXONMOBIL OIL CORPORATION (PHMSA OPID 12624) reported 3.136991 active Hydrogen Gas pipeline miles in Jefferson County, TX (county FIPS 48245) in the public NPMS summary snapshot dated 2026-07-16. The snapshot includes active assets only and excludes permanently abandoned assets. Exact pipeline locations and restricted NPMS GIS data are not included.

## Provenance

- Official: Yes
- Source: <https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx>
- Source ID: `npms-public-summaries`
- SHA-256: `bc3ebd1d77b49f0d65d62e49c5ab9532e6a1e14f2a357dd44431d2c0550ecc34`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T15:14:01.569Z
- Document slug: `npms-mileage-ddb7a9ed83ad364d35a1adb0`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "48245",
  "stateFips": "48",
  "state": "TX",
  "county": "Jefferson County",
  "region": "Jefferson County, TX",
  "operator": {
    "id": "12624",
    "name": "EXXONMOBIL OIL CORPORATION"
  },
  "commodity": "Hydrogen Gas",
  "mileage": 3.13699053,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 12483,
    "rowSha256": "df37e87c84c7f56824f96badb90a7ed6bd14be460259d66b0ea42ad5b85f08f9"
  },
  "citedSections": [
    "191.29"
  ],
  "caveat": "Public aggregate snapshot only. It is not a complete representation of exact pipeline locations, may be updated, and is not an agency finding about facility condition.",
  "jurisdiction": "US",
  "operatorName": "EXXONMOBIL OIL CORPORATION"
}
```