# TALLGRASS INTERSTATE GAS TRANSMISSION, LLC — Washington County, CO

**Citation:** NPMS FIPS 08121 / OPID 1007  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

43.674754 active Natural Gas pipeline miles in Washington County, CO; public NPMS snapshot 2026-07-16.

## Document text

TALLGRASS INTERSTATE GAS TRANSMISSION, LLC (PHMSA OPID 1007) reported 43.674754 active Natural Gas pipeline miles in Washington County, CO (county FIPS 08121) 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: `44075386e3e4cf8d3d8a4afd227b420a6c6a7369caba8bee9d8a4b0407965b22`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T00:06:06.460Z
- Document slug: `npms-mileage-84a20541e08dfbb096aa324a`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "08121",
  "stateFips": "08",
  "state": "CO",
  "county": "Washington County",
  "region": "Washington County, CO",
  "operator": {
    "id": "1007",
    "name": "TALLGRASS INTERSTATE GAS TRANSMISSION, LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 43.67475381,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 1128,
    "rowSha256": "067583c15e94b318b25f0f7e1c552fe429717575b7baad3eed2df562a3029c7d"
  },
  "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"
}
```