# MOUNTAINWEST PIPELINE, LLC — Garfield County, CO

**Citation:** NPMS FIPS 08045 / OPID 12874  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

33.019725 active Natural Gas pipeline miles in Garfield County, CO; public NPMS snapshot 2026-07-16.

## Document text

MOUNTAINWEST PIPELINE, LLC (PHMSA OPID 12874) reported 33.019725 active Natural Gas pipeline miles in Garfield County, CO (county FIPS 08045) 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: `7f4c62022271937b82226f64bb7bbc9fa7e69f70968c0ddcdfa06d29ae7b2c3a`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-24T21:51:30.242Z
- Document slug: `npms-mileage-d9281bc663d140c16f131e63`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "08045",
  "stateFips": "08",
  "state": "CO",
  "county": "Garfield County",
  "region": "Garfield County, CO",
  "operator": {
    "id": "12874",
    "name": "MOUNTAINWEST PIPELINE, LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 33.01972538,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 985,
    "rowSha256": "d938f5f4fe368e94f89018027a6b2133df9c0065d08590fc83755467c6256583"
  },
  "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"
}
```