# M6 MIDSTREAM LLC — San Augustine County, TX

**Citation:** NPMS FIPS 48405 / OPID 31613  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

0.65728 active Natural Gas pipeline miles in San Augustine County, TX; public NPMS snapshot 2026-07-16.

## Document text

M6 MIDSTREAM LLC (PHMSA OPID 31613) reported 0.65728 active Natural Gas pipeline miles in San Augustine County, TX (county FIPS 48405) 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: `448619bc04a588b8f716ecea67329f9b9cf9c1c2a84fb7b52a152256158e4305`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T19:15:35.417Z
- Document slug: `npms-mileage-fae6e30aaa390e22c0df1df2`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "48405",
  "stateFips": "48",
  "state": "TX",
  "county": "San Augustine County",
  "region": "San Augustine County, TX",
  "operator": {
    "id": "31613",
    "name": "M6 MIDSTREAM LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 0.6572803,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 13769,
    "rowSha256": "5ac46de8811bf3b1ed792c30c1972c2e1b8e540abb25018e4fc370cd74f2b225"
  },
  "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": "M6 MIDSTREAM LLC"
}
```