AMEREN ILLINOIS COMPANY — St. Clair County, IL

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

St. Clair County, ILAMEREN ILLINOIS COMPANY (PHMSA OPID 32513) reported 70.042814 active Natural Gas pipeline miles in St. Clair County, IL (county FIPS 17163) 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.#