Inspectioncurrent
NPMS FIPS 17199 / OPID 19730
TRUNKLINE GAS CO — Williamson County, IL
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Williamson County, ILTRUNKLINE GAS CO (PHMSA OPID 19730) reported 21.193824 active Natural Gas 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.#