Upper Uwchlan Township Police say they were on patrol in the 300 Block of Prescott Drive on April 6, at approximately 11:00 p.m. when officers observed a large number of vehicles parked in the neighborhood and juveniles on foot. Police were able to locate a house in which there was a large and loud party occurring. Police say they received assistance from the West Pikeland, West Vincent and Uwchlan Township Police Departments, as there were approximately 100 people present. Police discovered a large amount of alcohol on the premises and detected the odor of marijuana. Police took into custody approximately 30 juveniles and charged them with multiple summary offenses. In addition to the juveniles, police criminally charged a 19-year-old resident of the home for furnishing alcohol to minors. Police also charged the 48-year-old homeowner with the furnishing alcohol to minors.