Inspectioncurrent
NPMS FIPS 26147 / OPID 6660
GREAT LAKES GAS TRANSMISSION LIMITED PARTNERSHIP — St. Clair County, MI
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source St. Clair County, MIGREAT LAKES GAS TRANSMISSION LIMITED PARTNERSHIP (PHMSA OPID 6660) reported 48.03446 active Natural Gas pipeline miles in St. Clair County, MI (county FIPS 26147) 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.#