Inspectioncurrent
NPMS FIPS 17131 / OPID 13710
NORTHERN ILLINOIS GAS CO — Mercer County, IL
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Mercer County, ILNORTHERN ILLINOIS GAS CO (PHMSA OPID 13710) reported 19.551898 active Natural Gas pipeline miles in Mercer County, IL (county FIPS 17131) 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.#