# WESTLAKE PETROCHEMICALS LLC — Calcasieu Parish, LA

**Citation:** NPMS FIPS 22019 / OPID 30683  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

1.27278 active Liquefied Petroleum Gas pipeline miles in Calcasieu Parish, LA; public NPMS snapshot 2026-07-16.

## Document text

WESTLAKE PETROCHEMICALS LLC (PHMSA OPID 30683) reported 1.27278 active Liquefied Petroleum Gas pipeline miles in Calcasieu Parish, LA (county FIPS 22019) 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: `663c4541fc40dbbaa4132fc71518c5d1312b3c5b446232a9e4e55688fc5f9da8`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-22T21:30:56.533Z
- Document slug: `npms-mileage-96f2d9e49680f56586219ed9`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "22019",
  "stateFips": "22",
  "state": "LA",
  "county": "Calcasieu Parish",
  "region": "Calcasieu Parish, LA",
  "operator": {
    "id": "30683",
    "name": "WESTLAKE PETROCHEMICALS LLC"
  },
  "commodity": "Liquefied Petroleum Gas",
  "mileage": 1.2727803,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 4454,
    "rowSha256": "393daa20fe570dc91524b649d6e8f2da8bd446ae5811921c91c6ca7466c6d849"
  },
  "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 PETROCHEMICALS LLC"
}
```