# NORTHWEST PIPELINE LLC — San Juan County, UT

**Citation:** NPMS FIPS 49037 / OPID 13845  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

56.492174 active Natural Gas pipeline miles in San Juan County, UT; public NPMS snapshot 2026-07-16.

## Document text

NORTHWEST PIPELINE LLC (PHMSA OPID 13845) reported 56.492174 active Natural Gas pipeline miles in San Juan County, UT (county FIPS 49037) 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: `ceb107c371b0b2264af25b6e52b23e433bac5509bc14d8226733905b3d7c880b`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T14:35:18.615Z
- Document slug: `npms-mileage-49db1771fff68bc751e36ff3`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "49037",
  "stateFips": "49",
  "state": "UT",
  "county": "San Juan County",
  "region": "San Juan County, UT",
  "operator": {
    "id": "13845",
    "name": "NORTHWEST PIPELINE LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 56.49217425,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 14513,
    "rowSha256": "5cc2dc5ddfcf9559d67a93d1c87a2b78614e83f5507c898212aea55dd1a24044"
  },
  "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": "NORTHWEST PIPELINE LLC"
}
```