Oroville Spillway Model (IMAGE) Utah State University Caption Engineers at the Utah Water Research Lab constructed a 1:50 scale model of the Oroville Dam spillway. Credit Matt Jensen/Utah State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.