# NORTHWEST NATURAL GAS CO — Multnomah County, OR

**Citation:** NPMS FIPS 41051 / OPID 13840  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

2 active LNG plants in Multnomah County, OR; public NPMS snapshot 2026-07-16.

## Document text

NORTHWEST NATURAL GAS CO (PHMSA OPID 13840) reported 2 active LNG plants in Multnomah County, OR (county FIPS 41051) 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_LNG_Plants_by_County.xlsx>
- Source ID: `npms-public-summaries`
- SHA-256: `7bc74f31a751630222d5736aae98a001a409543163d119f0681339106acef56c`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T12:01:10.107Z
- Document slug: `npms-lng-4c650065c4891c1ddd90ca95`

### Source metadata

```json
{
  "materialSubtype": "lng_plants",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "41051",
  "stateFips": "41",
  "state": "OR",
  "county": "Multnomah County",
  "region": "Multnomah County, OR",
  "operator": {
    "id": "13840",
    "name": "NORTHWEST NATURAL GAS CO"
  },
  "commodity": null,
  "mileage": null,
  "plantCount": 2,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "lng_plants",
    "sheet": "Summary - Cnty, Oper",
    "rowNumber": 99,
    "rowSha256": "d381239cac20b8abf907431302fc231ae3e487b8dc3e02c9b91f554c65a88295"
  },
  "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": "NORTHWEST NATURAL GAS CO"
}
```