# SUPERIOR WATER LIGHT & POWER CO — Douglas County, WI

**Citation:** NPMS FIPS 55031 / OPID 18752  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

8.082722 active Natural Gas pipeline miles in Douglas County, WI; public NPMS snapshot 2026-07-16.

## Document text

SUPERIOR WATER LIGHT & POWER CO (PHMSA OPID 18752) reported 8.082722 active Natural Gas pipeline miles in Douglas County, WI (county FIPS 55031) 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: `4c7cc1528bc75ccf4adedf0f1ea59f836830f22e17533efe4f9ca76f7cfb6383`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T12:11:10.210Z
- Document slug: `npms-mileage-2ba6b7ddd67e92f4a12f0b72`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "55031",
  "stateFips": "55",
  "state": "WI",
  "county": "Douglas County",
  "region": "Douglas County, WI",
  "operator": {
    "id": "18752",
    "name": "SUPERIOR WATER LIGHT & POWER CO"
  },
  "commodity": "Natural Gas",
  "mileage": 8.0827216,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 15093,
    "rowSha256": "39e955a0afc1c21799e3255d7c1c7709c3eb9331e392454a72bc4165583065ec"
  },
  "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": "SUPERIOR WATER LIGHT & POWER CO"
}
```
