COLUMBIA GAS TRANSMISSION, LLC — Harford County, MD

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Harford County, MDCOLUMBIA GAS TRANSMISSION, LLC (PHMSA OPID 2616) reported 23.344275 active Natural Gas pipeline miles in Harford County, MD (county FIPS 24025) 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.#