# NIAGARA MOHAWK POWER CORP — Jefferson County, NY

**Citation:** NPMS FIPS 36045 / OPID 13480  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

57.948311 active Natural Gas pipeline miles in Jefferson County, NY; public NPMS snapshot 2026-07-16.

## Document text

NIAGARA MOHAWK POWER CORP (PHMSA OPID 13480) reported 57.948311 active Natural Gas pipeline miles in Jefferson County, NY (county FIPS 36045) 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: `0364fb3cf1b6839a730f880cd52fd8fd51bdf554f0cbafeb3b4f8a0273ba11b7`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T21:53:13.934Z
- Document slug: `npms-mileage-f07d1a2fccae9f0436b7c563`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "36045",
  "stateFips": "36",
  "state": "NY",
  "county": "Jefferson County",
  "region": "Jefferson County, NY",
  "operator": {
    "id": "13480",
    "name": "NIAGARA MOHAWK POWER CORP"
  },
  "commodity": "Natural Gas",
  "mileage": 57.94831058,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 7950,
    "rowSha256": "b20551d5232c7a58e40640ec42c5f4785bcf1a5dd9254bad07e4775bd68e85bf"
  },
  "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": "NIAGARA MOHAWK POWER CORP"
}
```