{"operation":"document","citation":"NPMS FIPS 26121 / OPID 32147","title":"MARATHON PIPE LINE LLC — Muskegon County, MI","source_type":"inspection","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":"2026-07-16","effective_on":null,"summary":"16.490445 active Non-HVL Petroleum Product pipeline miles in Muskegon County, MI; public NPMS snapshot 2026-07-16.","machine_formats":{"json":"https://regulus.evalyn.ai/document/npms-mileage-da7ca16883a7ba3a855023ed.json","markdown":"https://regulus.evalyn.ai/document/npms-mileage-da7ca16883a7ba3a855023ed.md"},"app_url":"https://regulus.evalyn.ai/document/npms-mileage-da7ca16883a7ba3a855023ed","source_url":"https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx","body":"MARATHON PIPE LINE LLC (PHMSA OPID 32147) reported 16.490445 active Non-HVL Petroleum Product pipeline miles in Muskegon County, MI (county FIPS 26121) 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.","truncated":false,"body_characters":361}