# US STEEL — Allegheny County, PA

**Citation:** NPMS FIPS 42003 / OPID 99054  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

16.879278 active Other Gas pipeline miles in Allegheny County, PA; public NPMS snapshot 2026-07-16.

## Document text

US STEEL (PHMSA OPID 99054) reported 16.879278 active Other Gas pipeline miles in Allegheny County, PA (county FIPS 42003) 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: `24e20b8e21a0a49f873335ec9ed1e67f91573c2e85d20c63e2c90524b3497eb2`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T12:19:05.382Z
- Document slug: `npms-mileage-4d218100b8e0177f6219f32d`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "42003",
  "stateFips": "42",
  "state": "PA",
  "county": "Allegheny County",
  "region": "Allegheny County, PA",
  "operator": {
    "id": "99054",
    "name": "US STEEL"
  },
  "commodity": "Other Gas",
  "mileage": 16.8792784,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 9944,
    "rowSha256": "0ecd7d37e9c4f01889c4df0c74b854280bcca2ef62547b5096d7d47295b314df"
  },
  "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": "US STEEL"
}
```