# SOUTHWEST GAS TRANSMISSION COMPANY A LIMITED PARTNERSHIP — Mohave County, AZ

**Citation:** NPMS FIPS 04015 / OPID 32562  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

9.74765 active Natural Gas pipeline miles in Mohave County, AZ; public NPMS snapshot 2026-07-16.

## Document text

SOUTHWEST GAS TRANSMISSION COMPANY A LIMITED PARTNERSHIP (PHMSA OPID 32562) reported 9.74765 active Natural Gas pipeline miles in Mohave County, AZ (county FIPS 04015) 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: `fcf1ba51e1dafad9114139d3e6a213352fc5a2126f9b5cd895a0a85150e19b9a`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T09:10:03.733Z
- Document slug: `npms-mileage-db9da4f63234840303bb49ac`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "04015",
  "stateFips": "04",
  "state": "AZ",
  "county": "Mohave County",
  "region": "Mohave County, AZ",
  "operator": {
    "id": "32562",
    "name": "SOUTHWEST GAS TRANSMISSION COMPANY A LIMITED PARTNERSHIP"
  },
  "commodity": "Natural Gas",
  "mileage": 9.74764969,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 296,
    "rowSha256": "c0cb3e308b89f05f9441a8ff778954091541628163a82e27a92fa973a236593d"
  },
  "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": "SOUTHWEST GAS TRANSMISSION COMPANY A LIMITED PARTNERSHIP"
}
```