Beydağ Dam

Client

General Directorate of 
State Hydraulic Works (DSİ)

Location

İzmir

River

Küçük Menderes
(Little Maeander)

Type

Roller Compacted Concrete (RCC)

Purpose of the Project

Irrigation

Body Volume (RCC)

2 700 000 m³

Reservoir Volume

300 x 10⁶ m³

Height from Foundation

100 m

Height from Riverbed

60 m

Crest Length

785 m

Number of Diversion Tunnels

1

Length of Diversion Tunnel

770 m

Inner Diameter of
Diversion Tunnel

5 m

Design Discharge of Spillway

1 275 m³/sec

Irrigation Area

22 000 ha 

Excavation Volume

3 700 000 m³

Conventional Concrete Volume

230 000 m³

Total Drilled Grouting Holes

20 000 m

Length of State
Highway Relocation

17 km