Sedona AZ (July 22, 2014) – On Saturday, August 9, 2014, law enforcement agencies in Arizona’s Coconino County will be conducting an Operating Under the Influence (OUI) and Boating Safety Checkpoint at Lake Powell from 3:00 p.m. until 7:00 in the evening. In an effort to reduce the number of persons killed and injured in alcohol and drug involved boat collisions, OUI checkpoints are conducted...