DOUBLE H — Carter County, MT

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Carter County, MTDOUBLE H (PHMSA OPID 39440) reported 9.629201 active Crude Oil pipeline miles in Carter County, MT (county FIPS 30011) 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.#