Inspectioncurrent
NPMS FIPS 30081 / OPID 31632
NORTHWESTERN CORPORATION — Ravalli County, MT
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Ravalli County, MTNORTHWESTERN CORPORATION (PHMSA OPID 31632) reported 33.789926 active Natural Gas pipeline miles in Ravalli County, MT (county FIPS 30081) 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.#