# EQUISTAR CHEMICALS, L.P. — Calhoun County, TX

**Citation:** NPMS FIPS 48057 / OPID 25146  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

31.697955 active Other HVLs pipeline miles in Calhoun County, TX; public NPMS snapshot 2026-07-16.

## Document text

EQUISTAR CHEMICALS, L.P. (PHMSA OPID 25146) reported 31.697955 active Other HVLs pipeline miles in Calhoun County, TX (county FIPS 48057) 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: `d5d4deed509838adcf773c337a17c50d55568ca556f23810a35207f48e84e051`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T18:09:25.955Z
- Document slug: `npms-mileage-7123e1c22a35a996e57a175d`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "48057",
  "stateFips": "48",
  "state": "TX",
  "county": "Calhoun County",
  "region": "Calhoun County, TX",
  "operator": {
    "id": "25146",
    "name": "EQUISTAR CHEMICALS, L.P."
  },
  "commodity": "Other HVLs",
  "mileage": 31.69795454,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 11104,
    "rowSha256": "98d2eb1560ff81c4ffa20ce0e0ad82f59e6ffd2f88750ae6dfc27d465951e007"
  },
  "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."
}
```