U.S. ARMY COPS OF ENGINEERS Howard Hanson Dam Update. Green River Watershed. Normal Project Operations. NOV. MAR. JUN. NOV. 1206 ft. Potential flood pools of short duration. Spring ramp-up for augmentation. Summer and fall flow augmentation. 1167 ft. 1075 ft.
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U.S. ARMY COPS OF ENGINEERS
Howard Hanson Dam Update
Potential flood pools of short duration
Spring ramp-up for augmentation
Summer and fall flow augmentation
Pool elevation in feet above sea level
Eagle Gorge Reservoir