The blue area in the above graph is the elevation from the dam’s emergency spillway at 5505.0 feet to the top of the dam at 5515.0 feet. The bottom of the graph is 5460 feet at which point the reservoir is empty.
Minersville reservoir stores 25,173 acre-feet of water when the water elevation is at the crest of the emergncy spillway at 5505.0 feet.