Garan Dam and Water Conveyance System

Location: Marivan, Kurdistan province, Iran
Client: West regional water authority
Objective: Providing potable and agricultural water from surface and ground water resources, and implementation of the irrigation/drainage network to expand farmlands for 12,000 hectares of land
Stage of study:
• Feasibility study: 1989 to 1996
• Deatail design: 2001 to 2002
• Supervision on construction: 2004 to continues

Project Components

Dam

• Name of dam :Garan
• Name of river: Garan
• Type dam: rockfill with clay core
• Height above foundation (m): 62
• Crest length(m): 504
• Spillway type: free
• Max. discharge capacity (m3/s): 697.5

Reservoir

• Normal reservoir volume (MCM): 91
• Regulated annual water (MCM): 68.8
• Domestic water demand (MCM): 20
• Industrial water demand (MCM): 2
• Agriculture water demand (MCM): 42
• Environmental water demand (MCM): 13.5

Irrigation Network

• Total area (ha): 4610
• Type of irrigational: under pressure

Conveyance line

• Length of domestic conveyance pipe line(km): 17
• Diameter of domestic conveyance pipe line(mm):1300
• Capacity of domestic conveyance pipe line (m3/s): 0.9
• Length of agricultural conveyance canal (km): 17

 

Images of Project