NORTHWESTERN CORPORATION — Gallatin County, MT

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Gallatin County, MTNORTHWESTERN CORPORATION (PHMSA OPID 31632) reported 1 active LNG plant in Gallatin County, MT (county FIPS 30031) 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.#