Inspectioncurrent
NPMS FIPS 42003 / OPID 99054
US STEEL — Allegheny County, PA
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Allegheny County, PAUS STEEL (PHMSA OPID 99054) reported 16.879278 active Other Gas pipeline miles in Allegheny County, PA (county FIPS 42003) 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.#