# TRANSCONTINENTAL GAS PIPE LINE COMPANY — Harford County, MD

**Citation:** NPMS FIPS 24025 / OPID 19570  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

50.674763 active Natural Gas pipeline miles in Harford County, MD; public NPMS snapshot 2026-07-16.

## Document text

TRANSCONTINENTAL GAS PIPE LINE COMPANY (PHMSA OPID 19570) reported 50.674763 active Natural Gas pipeline miles in Harford County, MD (county FIPS 24025) 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: `c483df76b1a409b1546681eb5e6a6efd05369cd906c6a455cb01724f0dbdc355`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T04:08:18.663Z
- Document slug: `npms-mileage-65fd4950bb61065eaf9fa47d`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "24025",
  "stateFips": "24",
  "state": "MD",
  "county": "Harford County",
  "region": "Harford County, MD",
  "operator": {
    "id": "19570",
    "name": "TRANSCONTINENTAL GAS PIPE LINE COMPANY"
  },
  "commodity": "Natural Gas",
  "mileage": 50.67476325,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 5498,
    "rowSha256": "9526d5938e9a20c6804874073296892f445711cfbe8f9dbaba146772b4e55509"
  },
  "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": "TRANSCONTINENTAL GAS PIPE LINE COMPANY"
}
```