NORTHWEST NATURAL GAS CO — Washington County, OR

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Washington County, ORNORTHWEST NATURAL GAS CO (PHMSA OPID 13840) reported 110.562284 active Natural Gas pipeline miles in Washington County, OR (county FIPS 41067) 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.#