Inspectioncurrent
NPMS FIPS 46091 / OPID 32334
SOUTH BOW INFRASTRUCTURE OPERATIONS INC. — Marshall County, SD
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Marshall County, SDSOUTH BOW INFRASTRUCTURE OPERATIONS INC. (PHMSA OPID 32334) reported 26.144854 active Crude Oil pipeline miles in Marshall County, SD (county FIPS 46091) 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.#