COLUMBIA GAS OF MARYLAND INC — Washington County, MD

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Washington County, MDCOLUMBIA GAS OF MARYLAND INC (PHMSA OPID 2588) reported 5.172528 active Natural Gas pipeline miles in Washington County, MD (county FIPS 24043) 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.#