# ALGONQUIN GAS TRANSMISSION, LLC — South Central Connecticut Pla\*, CT

**Citation:** NPMS FIPS 09170 / OPID 288  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

26.26183 active Natural Gas pipeline miles in South Central Connecticut Pla*, CT; public NPMS snapshot 2026-07-16.

## Document text

ALGONQUIN GAS TRANSMISSION, LLC (PHMSA OPID 288) reported 26.26183 active Natural Gas pipeline miles in South Central Connecticut Pla*, CT (county FIPS 09170) 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: `6d7d9da86f3c529873b7b7299a5ab4e4abd885aa0a42df12bfd664ab86f99d4d`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T18:28:17.495Z
- Document slug: `npms-mileage-781195da3e87576d3512f673`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "09170",
  "stateFips": "09",
  "state": "CT",
  "county": "South Central Connecticut Pla*",
  "region": "South Central Connecticut Pla*, CT",
  "operator": {
    "id": "288",
    "name": "ALGONQUIN GAS TRANSMISSION, LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 26.26182955,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 1211,
    "rowSha256": "846f681e3d345a94201e379cbb51dadc988fb9a0dccc6e7c0c3525abc358dbbd"
  },
  "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"
}
```