correction. they are releasing 8300 cfm right now. web cam is on line 7:00 am to 8:00 p.m pacific time. This is an excellent real life illustration of Bernoulli's theorem. the spillway is 3000 feet long, 300 feet wide and a drop of a little over 600 feet. They estimate that at full flow of 100,000 cfs well over 1,000,000 horsepower could be generated at its base.