Claim: The two highest Boise river dams are the Arrowrock Dam which opened in 1915 and has a height of 350 ft. (110 m), followed by Lucky Peak Dam which opened in 1955 and has a height of 340 ft (100 m).
Evidence: Arrowrock Dam 350 ft (110 m) Lucky Peak Dam 340 ft (100 m) Boise River Diversion Dam 68 ft (21 m) Barber Dam 25 ft (7.6 m) 1915 (1915) 1955; 65 years ago (1955)