Commercial fire alarm at Arnold Engineering Heard on: McHenry IL Fire Dispatch Group Calls 00:30 00:00 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 00:04 Marengo, commercial fire alarm, Arnold Engineering, (number withheld) Northwest Street, Battalion 11, 1141 and 1153, due, time 1728. 00:22 1150 is back in district available. 00:26 Message received. 00:29 1141 is around. 6/22/2026 03:29 PM Fire & Arson West St, Marengo, IL 60152 View on map