# PLAINS MARKETING, L.P. — St. Mary Parish, LA

**Citation:** NPMS FIPS 22101 / OPID 26085  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

11.228161 active Natural Gas pipeline miles in St. Mary Parish, LA; public NPMS snapshot 2026-07-16.

## Document text

PLAINS MARKETING, L.P. (PHMSA OPID 26085) reported 11.228161 active Natural Gas pipeline miles in St. Mary Parish, LA (county FIPS 22101) 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: `47d02227da94d208c453cd1c72ec0f6e2345e8f5998aaabf4f5a996bb5b8d487`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T10:26:09.327Z
- Document slug: `npms-mileage-b4593fd9fdd32bf3d2e8b233`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "22101",
  "stateFips": "22",
  "state": "LA",
  "county": "St. Mary Parish",
  "region": "St. Mary Parish, LA",
  "operator": {
    "id": "26085",
    "name": "PLAINS MARKETING, L.P."
  },
  "commodity": "Natural Gas",
  "mileage": 11.22816099,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 5256,
    "rowSha256": "566d9e92a6486ace60496977054cd979beb4aa0302dcafa416edd7ec5debe175"
  },
  "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": "PLAINS MARKETING, L.P."
}
```