{"operation":"document","citation":"NPMS FIPS 27011 / OPID 31632","title":"NORTHWESTERN CORPORATION — Big Stone County, MN","source_type":"inspection","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":"2026-07-16","effective_on":null,"summary":"0.002081 active Natural Gas pipeline miles in Big Stone County, MN; public NPMS snapshot 2026-07-16.","machine_formats":{"json":"https://regulus.evalyn.ai/document/npms-mileage-5211f78a0163d0126b644a3a.json","markdown":"https://regulus.evalyn.ai/document/npms-mileage-5211f78a0163d0126b644a3a.md"},"app_url":"https://regulus.evalyn.ai/document/npms-mileage-5211f78a0163d0126b644a3a","source_url":"https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx","body":"NORTHWESTERN CORPORATION (PHMSA OPID 31632) reported 0.002081 active Natural Gas pipeline miles in Big Stone County, MN (county FIPS 27011) 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":349}