# COLORADO INTERSTATE GAS CO — Sweetwater County, WY

**Citation:** NPMS FIPS 56037 / OPID 2564  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

544.669159 active Natural Gas pipeline miles in Sweetwater County, WY; public NPMS snapshot 2026-07-16.

## Document text

COLORADO INTERSTATE GAS CO (PHMSA OPID 2564) reported 544.669159 active Natural Gas pipeline miles in Sweetwater County, WY (county FIPS 56037) 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: `912b81189b3cd4dfa6db7d873350bbe6c1c35e399419aa99d290c26b838aae5a`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T00:30:16.583Z
- Document slug: `npms-mileage-59d5de32e6a10678bf970fd6`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "56037",
  "stateFips": "56",
  "state": "WY",
  "county": "Sweetwater County",
  "region": "Sweetwater County, WY",
  "operator": {
    "id": "2564",
    "name": "COLORADO INTERSTATE GAS CO"
  },
  "commodity": "Natural Gas",
  "mileage": 544.66915909,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 15471,
    "rowSha256": "bf276600b5f2391c992e2334b5d0bbd5c964b0c4d16972ee3f4d4e0c2466f932"
  },
  "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": "COLORADO INTERSTATE GAS CO"
}
```