# WEST PHOENIX POWER PLANT — Maricopa County, AZ

**Citation:** NPMS FIPS 04013 / OPID 31312  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

1.501881 active Non-HVL Petroleum Product pipeline miles in Maricopa County, AZ; public NPMS snapshot 2026-07-16.

## Document text

WEST PHOENIX POWER PLANT (PHMSA OPID 31312) reported 1.501881 active Non-HVL Petroleum Product pipeline miles in Maricopa County, AZ (county FIPS 04013) 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: `64cda08be03c11580ccd5a2447d5b9254990d1a2154143069f913be123dd31c7`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-24T11:32:44.824Z
- Document slug: `npms-mileage-d4157e973145bbd6d678c14c`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "04013",
  "stateFips": "04",
  "state": "AZ",
  "county": "Maricopa County",
  "region": "Maricopa County, AZ",
  "operator": {
    "id": "31312",
    "name": "WEST PHOENIX POWER PLANT"
  },
  "commodity": "Non-HVL Petroleum Product",
  "mileage": 1.50188068,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 284,
    "rowSha256": "7949917f6a058a21e63c37b427be961e174ca0d1e331e9815ff15f98be154ee0"
  },
  "citedSections": [
    "195.61"
  ],
  "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": "WEST PHOENIX POWER PLANT"
}
```