# ALGONQUIN GAS TRANSMISSION, LLC — Westchester County, NY

**Citation:** NPMS FIPS 36119 / OPID 288  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

35.446799 active Natural Gas pipeline miles in Westchester County, NY; public NPMS snapshot 2026-07-16.

## Document text

ALGONQUIN GAS TRANSMISSION, LLC (PHMSA OPID 288) reported 35.446799 active Natural Gas pipeline miles in Westchester County, NY (county FIPS 36119) 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: `2e8b8441887fea17f49b9e1c0676f3d1e9e5281d62be443337320d8e742f6871`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-27T01:44:34.540Z
- Document slug: `npms-mileage-3aca2e2347179f384d8162f4`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "36119",
  "stateFips": "36",
  "state": "NY",
  "county": "Westchester County",
  "region": "Westchester County, NY",
  "operator": {
    "id": "288",
    "name": "ALGONQUIN GAS TRANSMISSION, LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 35.44679923,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 8094,
    "rowSha256": "d396f16c561f52b6ecdb158d07324bf4ce8b29db3a55ddf10df638dfc9311452"
  },
  "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": "ALGONQUIN GAS TRANSMISSION, LLC"
}
```