# ONEOK NGL PIPELINE, LLC — Madison County, IA

**Citation:** NPMS FIPS 19121 / OPID 32109  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

23.577114 active Non-HVL Petroleum Product pipeline miles in Madison County, IA; public NPMS snapshot 2026-07-16.

## Document text

ONEOK NGL PIPELINE, LLC (PHMSA OPID 32109) reported 23.577114 active Non-HVL Petroleum Product pipeline miles in Madison County, IA (county FIPS 19121) 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: `aa2c93700274f4b14132d6087adbc3996d7e5e47828bc36305aed04e4f6f46ba`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-27T07:20:31.899Z
- Document slug: `npms-mileage-1778ad63dbb5140d71c3731d`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "19121",
  "stateFips": "19",
  "state": "IA",
  "county": "Madison County",
  "region": "Madison County, IA",
  "operator": {
    "id": "32109",
    "name": "ONEOK NGL PIPELINE, LLC"
  },
  "commodity": "Non-HVL Petroleum Product",
  "mileage": 23.57711364,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 3029,
    "rowSha256": "099f618c530b891436dc89f107acb8165904288e2c7a7098dc78be32a1c28dbc"
  },
  "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": "ONEOK NGL PIPELINE, LLC"
}
```
