# MOUNTAINWEST PIPELINE, LLC — Salt Lake County, UT

**Citation:** NPMS FIPS 49035 / OPID 12874  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

10.789402 active Natural Gas pipeline miles in Salt Lake County, UT; public NPMS snapshot 2026-07-16.

## Document text

MOUNTAINWEST PIPELINE, LLC (PHMSA OPID 12874) reported 10.789402 active Natural Gas pipeline miles in Salt Lake County, UT (county FIPS 49035) 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: `f62153f7a9863cf7dc38a3b5a15811bc76e1020aaa3810ddc610a6ab99dfa792`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-27T17:40:29.246Z
- Document slug: `npms-mileage-97001a7f74f791e7d365781c`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "49035",
  "stateFips": "49",
  "state": "UT",
  "county": "Salt Lake County",
  "region": "Salt Lake County, UT",
  "operator": {
    "id": "12874",
    "name": "MOUNTAINWEST PIPELINE, LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 10.78940152,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 14503,
    "rowSha256": "debc8865d2d67aff3e368ec2e5559f2bbdeafd5953e350efb3313f0bf2649d01"
  },
  "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": "MOUNTAINWEST PIPELINE, LLC"
}
```