Took a look at the numbers for KY Lake dam on the TVA page.
For 5/02/11
Average inflow 199,033 ft^3/sec
Average outflow 147,075 ft^3/sec
That means KY Lake is catching 51,958 ft^3/sec
That's 388,672 gallons every second caught in the lake!!
I have a 3/4 acre pond that holds approx 1.2 million gallons. KY lake is catching the total volume of my pond every three seconds.
TVA: Kentucky