Carbon monoxide alarm at Coggon residence Heard on: Linn County IA Law Dispatch 00:13 00:00 County cars, I'm paging Coggon Fire to (number withheld) Fifth Avenue Court in Coggon for a possible CO alarm going off. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 County cars, I'm paging Coggon Fire to (number withheld) Fifth Avenue Court in Coggon for a possible CO alarm going off. 00:07 Caller said that the fire alarms 00:09 went off, but no smoke or flames. 2026-10-14 01:10 UTC Fire 5th Ave Ct, Coggon, IA 52218 View on map