# NIPPON SANSO MATHESON, INC. — Harris County, TX

**Citation:** NPMS FIPS 48201 / OPID 39999  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

11.847551 active Hydrogen Gas pipeline miles in Harris County, TX; public NPMS snapshot 2026-07-16.

## Document text

NIPPON SANSO MATHESON, INC. (PHMSA OPID 39999) reported 11.847551 active Hydrogen 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: `b2cdd437e82ef0a731195ee4a6914866fd4ffb9ec36ac21c2e59515418f97f19`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T05:18:37.029Z
- Document slug: `npms-mileage-e7e79efa50cbb40f3c94ff95`

### 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": "39999",
    "name": "NIPPON SANSO MATHESON, INC."
  },
  "commodity": "Hydrogen Gas",
  "mileage": 11.84755114,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 12179,
    "rowSha256": "ed7b0c55e74e4cbaa2a155c46f8d1b6a0f312de0acd4ffeb8b0f93db8b229965"
  },
  "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": "NIPPON SANSO MATHESON, INC."
}
```