# TRANS MOUNTAIN PIPELINE (PUGET SOUND) LLC — Whatcom County, WA

**Citation:** NPMS FIPS 53073 / OPID 19585  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

41.709379 active Crude Oil pipeline miles in Whatcom County, WA; public NPMS snapshot 2026-07-16.

## Document text

TRANS MOUNTAIN PIPELINE (PUGET SOUND) LLC (PHMSA OPID 19585) reported 41.709379 active Crude Oil pipeline miles in Whatcom County, WA (county FIPS 53073) 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: `04ed164d0bb6f3e5a6009b296050cc7198ddf63e71947b66f115d83b947a004e`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-24T15:56:48.673Z
- Document slug: `npms-mileage-ca209150bb577157d7fa650f`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "53073",
  "stateFips": "53",
  "state": "WA",
  "county": "Whatcom County",
  "region": "Whatcom County, WA",
  "operator": {
    "id": "19585",
    "name": "TRANS MOUNTAIN PIPELINE (PUGET SOUND) LLC"
  },
  "commodity": "Crude Oil",
  "mileage": 41.70937879,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 14858,
    "rowSha256": "347d565111a804ea8334e56c41fb5cfc6499f15920a78a3d4e54390db799e567"
  },
  "citedSections": [
    "195.61"
  ],
  "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": "TRANS MOUNTAIN PIPELINE (PUGET SOUND) LLC"
}
```