# DOW PIPELINE LLC — Assumption Parish, LA

**Citation:** NPMS FIPS 22007 / OPID 3535  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

20.478877 active Liquefied Petroleum Gas pipeline miles in Assumption Parish, LA; public NPMS snapshot 2026-07-16.

## Document text

DOW PIPELINE LLC (PHMSA OPID 3535) reported 20.478877 active Liquefied Petroleum Gas pipeline miles in Assumption Parish, LA (county FIPS 22007) 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: `49ab696faa9f26d4b2d96f748cb1a3d335cb1f10e2ca4f85142293397dd196b9`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T04:33:45.261Z
- Document slug: `npms-mileage-b2b735eed6ff6ee530ef788e`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "22007",
  "stateFips": "22",
  "state": "LA",
  "county": "Assumption Parish",
  "region": "Assumption Parish, LA",
  "operator": {
    "id": "3535",
    "name": "DOW PIPELINE LLC"
  },
  "commodity": "Liquefied Petroleum Gas",
  "mileage": 20.4788769,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 4350,
    "rowSha256": "253688a16175497a4eb3acd8929d481345422cd9129833cdd40bc9b5305788ac"
  },
  "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": "DOW PIPELINE LLC"
}
```