{"operation":"document","citation":"NPMS FIPS 17131 / OPID 32513","title":"AMEREN ILLINOIS COMPANY — Mercer County, IL","source_type":"inspection","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":"2026-07-16","effective_on":null,"summary":"9.627913 active Natural Gas pipeline miles in Mercer County, IL; public NPMS snapshot 2026-07-16.","machine_formats":{"json":"https://regulus.evalyn.ai/document/npms-mileage-287cc225891a44c9ea3a9570.json","markdown":"https://regulus.evalyn.ai/document/npms-mileage-287cc225891a44c9ea3a9570.md"},"app_url":"https://regulus.evalyn.ai/document/npms-mileage-287cc225891a44c9ea3a9570","source_url":"https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx","body":"AMEREN ILLINOIS COMPANY (PHMSA OPID 32513) reported 9.627913 active Natural Gas pipeline miles in Mercer County, IL (county FIPS 17131) 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":345}