# NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. — Union County, AR

**Citation:** NPMS FIPS 05139 / OPID 10012  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

33.413295 active Anhydrous Ammonia pipeline miles in Union County, AR; public NPMS snapshot 2026-07-16.

## Document text

NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. (PHMSA OPID 10012) reported 33.413295 active Anhydrous Ammonia pipeline miles in Union County, AR (county FIPS 05139) 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: `54d2da134b39255de3b573a99d60d24c44db94a173b68ca4a54b2bda6bd05044`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T07:44:38.083Z
- Document slug: `npms-mileage-f97e8eb2592bdfc7b88dfd95`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "05139",
  "stateFips": "05",
  "state": "AR",
  "county": "Union County",
  "region": "Union County, AR",
  "operator": {
    "id": "10012",
    "name": "NUSTAR PIPELINE OPERATING PARTNERSHIP L.P."
  },
  "commodity": "Anhydrous Ammonia",
  "mileage": 33.41329545,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 578,
    "rowSha256": "47d6f1b1a3127ab056fb2ad536de62adb78d66e6091128ab0e1647f969c25998"
  },
  "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": "NUSTAR PIPELINE OPERATING PARTNERSHIP L.P."
}
```