Inspectioncurrent
NPMS FIPS 49011 / OPID 31805
HOLLY REFINING & MARKETING COMPANY — Davis County, UT
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Davis County, UTHOLLY REFINING & MARKETING COMPANY (PHMSA OPID 31805) reported 4.593589 active Hydrogen Gas pipeline miles in Davis County, UT (county FIPS 49011) 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.#