ALLIANT ENERGY - INTERSTATE POWER AND LIGHT COMPANY — Mahaska County, IA

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Mahaska County, IAALLIANT ENERGY - INTERSTATE POWER AND LIGHT COMPANY (PHMSA OPID 8170) reported 11.728104 active Natural Gas pipeline miles in Mahaska County, IA (county FIPS 19123) 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.#