# WESTLAKE US 2 LLC — Cameron Parish, LA

**Citation:** NPMS FIPS 22023 / OPID 15825  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

4.173104 active Other HVLs pipeline miles in Cameron Parish, LA; public NPMS snapshot 2026-07-16.

## Document text

WESTLAKE US 2 LLC (PHMSA OPID 15825) reported 4.173104 active Other HVLs pipeline miles in Cameron Parish, LA (county FIPS 22023) 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: `b037ec4f80e826a0e6183d3b7d30770d34af0fe214baa48dbbb854f39d24d7bc`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T18:12:55.775Z
- Document slug: `npms-mileage-fae50c99fa5b13bf24bc724a`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "22023",
  "stateFips": "22",
  "state": "LA",
  "county": "Cameron Parish",
  "region": "Cameron Parish, LA",
  "operator": {
    "id": "15825",
    "name": "WESTLAKE US 2 LLC"
  },
  "commodity": "Other HVLs",
  "mileage": 4.17310417,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 4517,
    "rowSha256": "56a20289814ad9085c9e06e50177e4274bdcab70822001caa2d4f794d5fc9f19"
  },
  "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": "WESTLAKE US 2 LLC"
}
```