Inspectioncurrent
NPMS FIPS 04021 / OPID 19610
TRANSWESTERN PIPELINE COMPANY LLC — Pinal County, AZ
Current as of source date Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Pinal County, AZTRANSWESTERN PIPELINE COMPANY LLC (PHMSA OPID 19610) reported 44.216146 active Natural Gas pipeline miles in Pinal County, AZ (county FIPS 04021) 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.#