# THUNDER BASIN PIPELINE, LLC — Converse County, WY

**Citation:** NPMS FIPS 56009 / OPID 38894  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

42.416129 active Crude Oil pipeline miles in Converse County, WY; public NPMS snapshot 2026-07-16.

## Document text

THUNDER BASIN PIPELINE, LLC (PHMSA OPID 38894) reported 42.416129 active Crude Oil pipeline miles in Converse County, WY (county FIPS 56009) 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: `83b0d5b34304e743ee2070ef3d669854945cd67d22c1ab9a6796225702f09819`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-27T01:53:11.603Z
- Document slug: `npms-mileage-52de67de4abb6178e55fd9c1`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "56009",
  "stateFips": "56",
  "state": "WY",
  "county": "Converse County",
  "region": "Converse County, WY",
  "operator": {
    "id": "38894",
    "name": "THUNDER BASIN PIPELINE, LLC"
  },
  "commodity": "Crude Oil",
  "mileage": 42.41612879,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 15324,
    "rowSha256": "8c8188e631e84ae316b645033937d10654af52c38bbcbf869d1929da71be3b71"
  },
  "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": "THUNDER BASIN PIPELINE, LLC"
}
```