# ALGONQUIN GAS TRANSMISSION, LLC — Southeastern Connecticut Plan\*, CT

**Citation:** NPMS FIPS 09180 / OPID 288  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

70.671737 active Natural Gas pipeline miles in Southeastern Connecticut Plan*, CT; public NPMS snapshot 2026-07-16.

## Document text

ALGONQUIN GAS TRANSMISSION, LLC (PHMSA OPID 288) reported 70.671737 active Natural Gas pipeline miles in Southeastern Connecticut Plan*, CT (county FIPS 09180) 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: `f2edb95e71ac7f7b30990f435ab1ecfa81385ac9d9497825860c73026040736c`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T23:37:18.831Z
- Document slug: `npms-mileage-0f474368b03511bf7a54cf8d`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "09180",
  "stateFips": "09",
  "state": "CT",
  "county": "Southeastern Connecticut Plan*",
  "region": "Southeastern Connecticut Plan*, CT",
  "operator": {
    "id": "288",
    "name": "ALGONQUIN GAS TRANSMISSION, LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 70.67173674,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 1213,
    "rowSha256": "606df7440556d7518a080d890eb03e9ca087e1d68d6c71963f53a20141381d6c"
  },
  "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"
}
```