COLONIAL PIPELINE CO — Montgomery County, MD

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Montgomery County, MDCOLONIAL PIPELINE CO (PHMSA OPID 2552) reported 42.634735 active Non-HVL Petroleum Product pipeline miles in Montgomery County, MD (county FIPS 24031) 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.#