MPLX LP — Washington County, PA

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Washington County, PAMPLX LP (PHMSA OPID 40149) reported 94.159532 active Natural Gas Liquids pipeline miles in Washington County, PA (county FIPS 42125) 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.#