# GRAYSON MILL OPERATING, LLC — McKenzie County, ND

**Citation:** NPMS FIPS 38053 / OPID 40238  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

7.436117 active Crude Oil pipeline miles in McKenzie County, ND; public NPMS snapshot 2026-07-16.

## Document text

GRAYSON MILL OPERATING, LLC (PHMSA OPID 40238) reported 7.436117 active Crude Oil pipeline miles in McKenzie County, ND (county FIPS 38053) 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: `1f16c1c715f988322a37aa0b9b297a8dfaeb14f20b4cb19c7cbc6540ddc26e6b`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-23T22:01:58.720Z
- Document slug: `npms-mileage-e51a04109c9683be40cd2381`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "38053",
  "stateFips": "38",
  "state": "ND",
  "county": "McKenzie County",
  "region": "McKenzie County, ND",
  "operator": {
    "id": "40238",
    "name": "GRAYSON MILL OPERATING, LLC"
  },
  "commodity": "Crude Oil",
  "mileage": 7.43611742,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 8371,
    "rowSha256": "3db11cbc45012b17c34644e6bfcab5f98c6fe8665b4e9eba7f05c8f848684999"
  },
  "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": "GRAYSON MILL OPERATING, LLC"
}
```