Person found unconscious near North Columbia Avenue in Waterville Heard on: Chelan WA Fire Dispatch Group Calls 00:09 00:00 Rivercom Waterville EMS, Ballard ambulance, unconscious one, (number withheld) North Columbia Avenue in Waterville. 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 Rivercom Waterville EMS, Ballard ambulance, unconscious one, (number withheld) North Columbia Avenue in Waterville. 00:06 Unconscious one, (number withheld) North Columbia Avenue in Waterville, come out. 9/7/2026 05:02 PM Medical Emergency N Columbia Ave, Waterville, WA 98858 View on map