This report is the sixth in a continuing series of progress reports giving the results of discharge measurements obtained at more than 120 selected sites in the "Tecolote Tunnel Area" of the Santa Ynez Mountains. The area derives its name from the tunnel now being completed by the Bureau of Reclamation for the purpose of diverting the flood waters of the Santa Ynez River stored in Cachuma Reservoir into urban and agricultural areas in and near the city of Santa barbara. The observational area for purposes of this investigation extends from Refugio Pass on the west to San Marcos Pass and the Painted Cave area on the east. The tunnel alignment is rouhly north and south through the center of this area.