# INTERMOUNTAIN GAS CO — Madison County, ID

**Citation:** NPMS FIPS 16065 / OPID 8160  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

1 active LNG plant in Madison County, ID; public NPMS snapshot 2026-07-16.

## Document text

INTERMOUNTAIN GAS CO (PHMSA OPID 8160) reported 1 active LNG plant in Madison County, ID (county FIPS 16065) 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: `cb98f166f7b11254a09a5d7fd9b3935f80a7c13bc80049887a2a507b5f080161`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-27T04:22:06.002Z
- Document slug: `npms-lng-01dd33c396701d12ffe15448`

### Source metadata

```json
{
  "materialSubtype": "lng_plants",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "16065",
  "stateFips": "16",
  "state": "ID",
  "county": "Madison County",
  "region": "Madison County, ID",
  "operator": {
    "id": "8160",
    "name": "INTERMOUNTAIN GAS CO"
  },
  "commodity": null,
  "mileage": null,
  "plantCount": 1,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "lng_plants",
    "sheet": "Summary - Cnty, Oper",
    "rowNumber": 32,
    "rowSha256": "5cd2975560c09d1899fd411f6eacbc5d80f446623ccb928f73e4e26819d49990"
  },
  "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": "INTERMOUNTAIN GAS CO"
}
```