MARATHON PIPE LINE LLC — Williamson County, IL

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Williamson County, ILMARATHON PIPE LINE LLC (PHMSA OPID 32147) reported 19.843496 active Crude Oil pipeline miles in Williamson County, IL (county FIPS 17199) 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.#