Inspectioncurrent
NPMS FIPS 53013 / OPID 15014
GAS TRANSMISSION NORTHWEST LLC — Columbia County, WA
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Columbia County, WAGAS TRANSMISSION NORTHWEST LLC (PHMSA OPID 15014) reported 6.70643 active Natural Gas pipeline miles in Columbia County, WA (county FIPS 53013) 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.#