# TRANSCONTINENTAL GAS PIPE LINE COMPANY — Howard County, MD

**Citation:** NPMS FIPS 24027 / OPID 19570  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

46.206498 active Natural Gas pipeline miles in Howard County, MD; public NPMS snapshot 2026-07-16.

## Document text

TRANSCONTINENTAL GAS PIPE LINE COMPANY (PHMSA OPID 19570) reported 46.206498 active Natural Gas pipeline miles in Howard County, MD (county FIPS 24027) 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: `ab179885783a4d34ba8257ffb27726bd7630870639957e7051a768206aaf6e94`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T05:50:56.991Z
- Document slug: `npms-mileage-228bc025ce69f08f5915a6b2`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "24027",
  "stateFips": "24",
  "state": "MD",
  "county": "Howard County",
  "region": "Howard County, MD",
  "operator": {
    "id": "19570",
    "name": "TRANSCONTINENTAL GAS PIPE LINE COMPANY"
  },
  "commodity": "Natural Gas",
  "mileage": 46.20649809,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 5502,
    "rowSha256": "765512a80571fe29757b7f8d6fcdc8e700cdeb0528101b1ff83a05074b2a4efd"
  },
  "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"
}
```