# EQUISTAR CHEMICALS, L.P. — San Patricio County, TX

**Citation:** NPMS FIPS 48409 / OPID 25146  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

76.551669 active Other HVLs pipeline miles in San Patricio County, TX; public NPMS snapshot 2026-07-16.

## Document text

EQUISTAR CHEMICALS, L.P. (PHMSA OPID 25146) reported 76.551669 active Other HVLs pipeline miles in San Patricio County, TX (county FIPS 48409) 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: `044ac445b09c05fadddc718eb7db8c302b0e8e14f65f815efb7615b7d55f1e45`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-23T07:54:42.635Z
- Document slug: `npms-mileage-0418702d69701acff31a7b38`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "48409",
  "stateFips": "48",
  "state": "TX",
  "county": "San Patricio County",
  "region": "San Patricio County, TX",
  "operator": {
    "id": "25146",
    "name": "EQUISTAR CHEMICALS, L.P."
  },
  "commodity": "Other HVLs",
  "mileage": 76.55166856,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 13790,
    "rowSha256": "e0eda33393aac6876e40e7ec87c88a3dcdf03c5fffe4bca4440f733a02d6f83b"
  },
  "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": "EQUISTAR CHEMICALS, L.P."
}
```