Mehran Water Supply, Irrigation and Drainage Network Project

Location: Mehran city, Ilam province, Iran
Client: Ilam regional water authority
Objectives of the project:
• Supply domestic water demand of the Mehran city about 8 mcm per year
• Supply of the irrigation water requirement of 4000 hectares Stage of Project:
• Feasibility study (Dam & Network): 2004 to 2013
• Detail design (Network): 2013 to 2016
• Supervision of construction(Network): 2017 to continues

Project Components

Dam

• Name of dam: Mehran
• Name of river: Gavi
• Type dam: Earthfiil with clay core
• Dam height from foundation (m): 101.5
• Crest length (m): 732.7
• Spillway type: free
• Max. discharge capacity (m3/s): 2482.4

Reservoir

• Normal reservoir volume (MCM): 47.7
• Regulated annual water (MCM): 35.4
• Domestic water demand (MCM): 8
• Agriculture water demand (MCM): 36.5

Irrigation network

• Total area (ha): 4000
• Type of irrigational: Under pressure

Water conveyance system

• Conveyance canal length (km): 12.3

 

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