CALUMET MONTANA REFINING, LLC — Cascade County, MT

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Cascade County, MTCALUMET MONTANA REFINING, LLC (PHMSA OPID 31455) reported 2.64889 active Crude Oil pipeline miles in Cascade County, MT (county FIPS 30013) 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.#