Possible overdose reported at Walmart on Ridge Dr Heard on: Contra Costa County CA Fire Dispatch 00:08 00:00 Engine 85, medic 51, code 3, medical at Walmart, 2203 Ridge. 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 Engine 85, medic 51, code 3, medical at Walmart, 2203 Ridge. 00:06 23 year old female, possible overdose. 2026-11-06 14:32 UTC Medical Emergency Ridge Dr, Concord, CA 94518 View on map