NORTHWESTERN CORPORATION — Deuel County, SD

Current as of source date Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

Deuel County, SDNORTHWESTERN CORPORATION (PHMSA OPID 31632) reported 25.708975 active Natural Gas pipeline miles in Deuel County, SD (county FIPS 46039) 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.#