# DOW HYDROCARBONS & RESOURCES, INC, GRAND BAYOU OPERATIONS — Assumption Parish, LA

**Citation:** NPMS FIPS 22007 / OPID 40425  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

9.974335 active Liquefied Petroleum Gas pipeline miles in Assumption Parish, LA; public NPMS snapshot 2026-07-16.

## Document text

DOW HYDROCARBONS & RESOURCES, INC, GRAND BAYOU OPERATIONS (PHMSA OPID 40425) reported 9.974335 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: `93229044c2abe5cd60a0b836323ebe020fbd32f8144f5b2d9a5715dade512dd2`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T14:54:12.708Z
- Document slug: `npms-mileage-9e69c4d5fe88aaaa86f59cf7`

### 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": "40425",
    "name": "DOW HYDROCARBONS & RESOURCES, INC, GRAND BAYOU OPERATIONS"
  },
  "commodity": "Liquefied Petroleum Gas",
  "mileage": 9.97433523,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 4357,
    "rowSha256": "4cfa695c0f53c924284bcee410acc4b9c2a065db22f6c96ee8009361a9fe61d1"
  },
  "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 HYDROCARBONS & RESOURCES, INC, GRAND BAYOU OPERATIONS"
}
```