Inspectioncurrent
NPMS FIPS 30051 / OPID 31632
NORTHWESTERN CORPORATION — Liberty County, MT
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Liberty County, MTNORTHWESTERN CORPORATION (PHMSA OPID 31632) reported 27.351934 active Natural Gas pipeline miles in Liberty County, MT (county FIPS 30051) 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.#