Upper Easoup Reservoir

Project location: On upstream of Easuop stream in Chu Ma Lanh commune, Easup district, Dak Lak province.

Construction time: Commencement on 12/6/2001

Project managers: Hoang Minh Dzung, Phan Nhu Hai, Nguyen Huu Ngoc

Project tasks:

- Irrigation area: 9455 ha

- Supplying water for domestic use

- Aquaculture

- Improving climate

- Generating power, N=1600 kw

Major technical parameters:

Basin area: 450 km²

Work grade: III

Surcharge water level: + 218.28 m

Normal water level: +217.58 m

Dead water level: +205.00 m

Total storage capacity: 146x10⁶ million m³

Effective storage capacity: 135x10⁶ million m³

Dead storage capacity: 11.0 million m³

Scale and structure of project major works:

Earth dams:

+ Main dam: length: 2020m, Hmax: 26m

+ 2 auxiliary dams

Main spillway: Ophiserov, gated spillway, n(BxH) = 3(8x8)m, maximum head on spillway sill: (Hmax)=8.70m, spillway width: 24m. Sill elevation: +209.58m, discharge p=1%: 793 m³/s.

Emergency spillway is located on right bank of main spillway. The spillway is an ungated one and constructed of rock, spillway width: 80m, maximum spillway discharge=198 m³/s

Intake: Diameter d=1.8m, length: 107.4m, design discharge: 12.20 m³/s. Pressure flow.

Hydropower plant: installed capacity: N=1600kw