# TALLGRASS INTERSTATE GAS TRANSMISSION, LLC — Natrona County, WY

**Citation:** NPMS FIPS 56025 / OPID 1007  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

85.55764 active Natural Gas pipeline miles in Natrona County, WY; public NPMS snapshot 2026-07-16.

## Document text

TALLGRASS INTERSTATE GAS TRANSMISSION, LLC (PHMSA OPID 1007) reported 85.55764 active Natural Gas pipeline miles in Natrona County, WY (county FIPS 56025) 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: `117cdda73652697c101c6481f186436144da4097d202cc0e2016e92721d81290`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T00:04:52.482Z
- Document slug: `npms-mileage-5d9bfe85ce719d5dcfa43afa`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "56025",
  "stateFips": "56",
  "state": "WY",
  "county": "Natrona County",
  "region": "Natrona County, WY",
  "operator": {
    "id": "1007",
    "name": "TALLGRASS INTERSTATE GAS TRANSMISSION, LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 85.55764015,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 15411,
    "rowSha256": "51f206306dfaacc23b09bbc07561b085180167b21bbbfcd35253a773f5c129df"
  },
  "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": "TALLGRASS INTERSTATE GAS TRANSMISSION, LLC"
}
```