Studies on the Construction of the Zola ... Project name: Studies on the Construction of the Zola Storage Dam and its Appurtenant Facilities Status Completed Registration Date 2018/09/30 Update Date 2019/11/27 Manager West Azerbaijan Regional Water Company Goals Regulating the Zola River for the irrigation of parts of Salmas–Ghareghagh Plain (85.3 million cu. m) Supplying the drinking water demands of Salmas and Tazehshahr (12 million cu. m) Power production (1.2 MW) Schedule 1st and 2nd Phase Studies and supervision (3rd Phase) Executive Actions Average annual flow of the river: 151.3 million cu. m; Embankment dam with a clay core and a 323 m long crest, rising to a height of 87 m from foundation and 56 meters from the bed; 40 m wide open-channel spillway with an ogee control section on the right support and a maximum capacity of 925 cu. m/s; Intake system composed of three 3 × 3 sq. ms gates, four butterfly valves (1500 mm, 1400 mm (×2), and 700 mm), and three Howell Bunger valves (1200 mm (×2), and 600 mm); Bottom outlet including a 1.5 × 1.2 sq. m service gate and a 1.6 × 1.2 sq. m emergency gate with a total capacity of 50 cu. m/s; 3 × 3 sq. m, slanted (60% slope) concrete intake tower with three intake levels; 6-km-long reservoir with a maximum width of 1000 m, spreading over 303 hectares at normal elevation; Normal elevation: 1510 m above sea level; reservoir capacity at the normal elevation: 72 million cu. m; Cost of implementation: 650 billion IRR equivalent to 650 million USD (2001–2015); Geography Location Salmas City, West Azerbaijan, Iran