Inspectioncurrent
NPMS FIPS 30093 / OPID 31632
NORTHWESTERN CORPORATION — Silver Bow County, MT
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Silver Bow County, MTNORTHWESTERN CORPORATION (PHMSA OPID 31632) reported 35.356038 active Natural Gas pipeline miles in Silver Bow County, MT (county FIPS 30093) 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.#