Three of Nevada County’s local law enforcement agencies have given a green light to a consolidated police dispatch service provided by the Nevada County Sheriff’s Office — a merger touted as a money saver for each agency. With the Nevada City Council’s unanimous vote at Wednesday night’s meeting to join Grass Valley and Truckee police departments in the consolidation, only the Nevada County Board of Supervisors is left to approve the matter for the sheriff’s office. The supervisors are expected to tackle the issue at their Oct. 9 meeting, said Nevada City Police Chief Jim Wickham. Grass Valley and Truckee’s …