Agh Chai Storage Dam

Location

Agh Chai Storage Dam Project is located in 42 km northwest of the city of Khoi located in West Azerbaijan Province. It is located 44o, 52' and 28" east of longitude and 38o, 51' and 50" north of latitude.

History

The supplementary phase I studies of Agh Chai Storage Dam Project were notified to Mahab Ghodss Consulting Engineering Co. in 1993 by West Ajerbaijan Regional Water Authority. These studies were finished in 1996. Afterwards, the detail design studies were started in 2001.

Objectives

  • To regulate the river Agh Chai
  • To improve irrigation of over 2988 ha of farmlands
  • To develop over 14824 ha the corresponding plains

Specific Characteristics

The only arch Earthfill dam of the country

Project Specifications

Dam Type

Earthfill Dam With Clay Core

Dam height above foundation (m)

108

Dam Crest Length (M)

826

Dam Crest Width (M)

12

Dam Body Volume (M3)

10500,000

Total Reservoir Volume (M3)

210,000,000

Reservoir Useful Volume (MCM)

136

Type Of Spillway

Free Spillway

Mean Annual River Discharge

190 m3/ sec.

Flood Discharge Capacity (M3/S)

18260

Flood Discharge Capacity

950 m3/ sec.

Type of Diversion System

Tunnel

Number of Diversion Tunnels

2

Diversion System Length

1508 m

Diameter of Diversion Tunnels

5 m