Inspectioncurrent
NPMS FIPS 29189 / OPID 32147
MARATHON PIPE LINE LLC — St. Louis County, MO
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source St. Louis County, MOMARATHON PIPE LINE LLC (PHMSA OPID 32147) reported 7.631239 active Crude Oil pipeline miles in St. Louis County, MO (county FIPS 29189) 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.#