Inspectioncurrent
NPMS FIPS 30001 / OPID 31632
NORTHWESTERN CORPORATION — Beaverhead County, MT
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Beaverhead County, MTNORTHWESTERN CORPORATION (PHMSA OPID 31632) reported 22.418538 active Natural Gas pipeline miles in Beaverhead County, MT (county FIPS 30001) 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.#