# DOW PIPELINE LLC — Harris County, TX

**Citation:** NPMS FIPS 48201 / OPID 3527  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

44.057545 active Other Gas pipeline miles in Harris County, TX; public NPMS snapshot 2026-07-16.

## Document text

DOW PIPELINE LLC (PHMSA OPID 3527) reported 44.057545 active Other Gas pipeline miles in Harris County, TX (county FIPS 48201) 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: `9d20da5a221142107e1cb0c58f8ddf5553a10df9dcfcb9ff212ed910120691c7`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T15:27:50.921Z
- Document slug: `npms-mileage-134bdad0ac8ca9fa889b8eea`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "48201",
  "stateFips": "48",
  "state": "TX",
  "county": "Harris County",
  "region": "Harris County, TX",
  "operator": {
    "id": "3527",
    "name": "DOW PIPELINE LLC"
  },
  "commodity": "Other Gas",
  "mileage": 44.05754545,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 12159,
    "rowSha256": "2faf6dc61c4728d7a8de33e0af170dc548b242d8854ce176cc7d1c5b24b26e25"
  },
  "citedSections": [
    "191.29"
  ],
  "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 PIPELINE LLC"
}
```