days, they have slowly had to increase the amount of water they release from the tulsa area keystone dam to historic lefvel to keep up with the high water. >> keystone dam which has been the focus has a release rate of approximately 250,000 cubic feet per second. if you do the math, that equates to approximately a thousand school buses per second going through the dam. >> across the tulsa area, more than a thousand residents have been impacted by flooding so far. >> please, please pay attention because the weather can be fickle as can the river, and obviously we're watching the levees very closely. >> it's advice that applies across the state. the governor declaring a state of emergency for all 77 counties in oklahoma. just north of oklahoma city, these homes are barely hanging on after flooding eroded the ground beneath them. and in tulsa, this river side neighborhood is now very much part of the river. >> and walk to the end of the