# EL PASO NATURAL GAS CO — Pima County, AZ

**Citation:** NPMS FIPS 04019 / OPID 4280  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

381.227585 active Natural Gas pipeline miles in Pima County, AZ; public NPMS snapshot 2026-07-16.

## Document text

EL PASO NATURAL GAS CO (PHMSA OPID 4280) reported 381.227585 active Natural Gas pipeline miles in Pima County, AZ (county FIPS 04019) 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: `8b57a419c7d7df838aa16254f57bda7d583314cec47303e4fc1063d47a2bac4c`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-24T14:52:35.296Z
- Document slug: `npms-mileage-8906b4607f243d72f81f6c50`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "04019",
  "stateFips": "04",
  "state": "AZ",
  "county": "Pima County",
  "region": "Pima County, AZ",
  "operator": {
    "id": "4280",
    "name": "EL PASO NATURAL GAS CO"
  },
  "commodity": "Natural Gas",
  "mileage": 381.22758527,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 307,
    "rowSha256": "d272ab2971e3642ce014b395e1ebf17c9b070a66c0b033423f7a6177a9ae8888"
  },
  "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": "EL PASO NATURAL GAS CO"
}
```