# TANDEM ENERGY CORPORATION — Harris County, TX

**Citation:** NPMS FIPS 48201 / OPID 31801  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

3.675981 active Crude Oil pipeline miles in Harris County, TX; public NPMS snapshot 2026-07-16.

## Document text

TANDEM ENERGY CORPORATION (PHMSA OPID 31801) reported 3.675981 active Crude Oil 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: `c832c3c5b579bccce4c75d983f7dd576fd16adfadaa012df25c9ffec63305631`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-27T06:52:30.859Z
- Document slug: `npms-mileage-74ad043f351b97501c10e254`

### 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": "31801",
    "name": "TANDEM ENERGY CORPORATION"
  },
  "commodity": "Crude Oil",
  "mileage": 3.67598106,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 12126,
    "rowSha256": "ad131a5a0b0a622f6c942e417066ee90f9577a43d05aede61b6042fd7e138790"
  },
  "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": "TANDEM ENERGY CORPORATION"
}
```