Boundary Dam (IMAGE) Virginia Tech Caption The Boundary Dam, downstream from the study site, generates a third of Seattle's energy on average. The dam is pictured here in June 2014 discharging approximately 90,000 cubic feet of water per second. Photo courtesy of Meryl Mims. Credit Meryl Mims, Virginia Tech Usage Restrictions Credit: Meryl Mims, Virginia Tech 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.