“Fire and Sheriff are one big family and we all feel your loss.”Volunteers had helped scour the search area on Saturday.Anyone with information about the incident is asked to call the San Bernardino County Sheriff’s Department at (909) 387-8313. Dawson Hartwig was found deceased in 30 feet of water, officials said. Midnight, dive team members, assisted by SBCoFD, checked area near a dock. The critical missing was found in 30 of water. Friday when he left a rented cabin near the lake and went for a walk. He did not take a cellphone or other personal property with him. “The Sheriff’s Dive Team sends our deepest condolences to the Hartwig family,” Lt. Our sincerest condolences go out to @SBCountyFire Chief Hartwig on the loss of his son, Dawson.— SB District Attorney (@sbcountyda) January 29, 2017 LAKE ARROWHEAD, Calif. pic.twitter.com/KbvywtU92v— Doug Wolfe (@SBCSDdwolfe) January 29, 2017 No other information was immediately available. (KABC) — The body of a missing 20-year-old man was discovered overnight Saturday by divers in Lake Arrowhead, authorities said.Dawson Hartwig, the son of San Bernardino County Fire Department Chief Mark Hartwig, had last been seen about 5 p.m. Vic was recovered. Sheriff’s dive team members, assisted by the fire department, checked an area near a dock on the lake about midnight. Bryan Lane said Sunday on Twitter.