# BLACK HILLS POWER INC — Pennington County, SD

**Citation:** NPMS FIPS 46103 / OPID 31754  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

1.295061 active Natural Gas pipeline miles in Pennington County, SD; public NPMS snapshot 2026-07-16.

## Document text

BLACK HILLS POWER INC (PHMSA OPID 31754) reported 1.295061 active Natural Gas pipeline miles in Pennington County, SD (county FIPS 46103) 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: `3f339aeb4cb10812533b99f0d88d92126f8ea1c422b8083a1585e62be77eeba0`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T06:17:26.879Z
- Document slug: `npms-mileage-aebc71088156a5254849df1f`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "46103",
  "stateFips": "46",
  "state": "SD",
  "county": "Pennington County",
  "region": "Pennington County, SD",
  "operator": {
    "id": "31754",
    "name": "BLACK HILLS POWER INC"
  },
  "commodity": "Natural Gas",
  "mileage": 1.29506061,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 10552,
    "rowSha256": "5e58a955ca351cb772134a6de0dd967b809d43e574aaf40337901ff566a1b36f"
  },
  "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": "BLACK HILLS POWER INC"
}
```