NORTHWEST NATURAL GAS CO — Columbia County, OR

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Columbia County, ORNORTHWEST NATURAL GAS CO (PHMSA OPID 13840) reported 144.688146 active Natural Gas pipeline miles in Columbia County, OR (county FIPS 41009) 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.#