# WESTFIELD GAS CORP — Hamilton County, IN

**Citation:** NPMS FIPS 18057 / OPID 22504  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

0.159763 active Natural Gas pipeline miles in Hamilton County, IN; public NPMS snapshot 2026-07-16.

## Document text

WESTFIELD GAS CORP (PHMSA OPID 22504) reported 0.159763 active Natural Gas pipeline miles in Hamilton County, IN (county FIPS 18057) 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: `a123050ab5a15242b4aa508a58315d5542de34ff73f3a2fd2c972d28ba11b7d5`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T23:36:19.275Z
- Document slug: `npms-mileage-b7b556b6f86544acf73cb421`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "18057",
  "stateFips": "18",
  "state": "IN",
  "county": "Hamilton County",
  "region": "Hamilton County, IN",
  "operator": {
    "id": "22504",
    "name": "WESTFIELD GAS CORP"
  },
  "commodity": "Natural Gas",
  "mileage": 0.15976327,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 2463,
    "rowSha256": "fa17818887cbdca57019a01a497d27241201d60eac6bf442cb5f0771649e2214"
  },
  "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": "WESTFIELD GAS CORP"
}
```