Treva June Hartman, 48, has been arrested for allowing her underage granddaughter and four teenage friends to get drunk during a party at her home three days before Christmas.Meanwhile, 20-year-old Bryan Luke Vollrath of McMinnville, who admitted to bringing liquor to the party and sharing it with the teenagers, is charged with aggravated child endangerment. Another man at the party, a 19-year-old, is also cited for underage consumption.According to Chief Randy Caplinger, on Saturday, Dec. 22, police officers were called to Hartman's residence on West Bryant Street to investigate a possible domestic complaint. Upon arrival, the officers found Hartman along with five juveniles and two adults under age 21, all of whom were intoxicated.