# NORTHWEST PIPELINE LLC — Dolores County, CO

**Citation:** NPMS FIPS 08033 / OPID 13845  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

22.19564 active Natural Gas pipeline miles in Dolores County, CO; public NPMS snapshot 2026-07-16.

## Document text

NORTHWEST PIPELINE LLC (PHMSA OPID 13845) reported 22.19564 active Natural Gas pipeline miles in Dolores County, CO (county FIPS 08033) 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: `d2299c7e18a0ec8dd622fc80ffbbb7a9cfa077ad1c664c96837bc805d62be7c3`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T12:25:49.174Z
- Document slug: `npms-mileage-fb5ad1a7ba4328ab86749777`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "08033",
  "stateFips": "08",
  "state": "CO",
  "county": "Dolores County",
  "region": "Dolores County, CO",
  "operator": {
    "id": "13845",
    "name": "NORTHWEST PIPELINE LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 22.19564015,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 959,
    "rowSha256": "5431dd8b140481b7bfbc90858cc89159e13a06943a29c9e3cb784139552c3c86"
  },
  "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"
}
```