Facts of Dam Technical details of Dam Structure, Purpose and Issue of Dam

1. FACTS OF DAM
The Hirakud Dam is located in the state of Orissa.
 It is the longest dam in India with a total length
of 25.79 km.
 It is also in the list of the longest dams in the
world.
 The Hirakud Dam is situated on the river
Mahanadi.
The Hirakud Reservoir is 55km long used as
multipurpose scheme intended for flood control,
irrigation and power generation.
It was one of the major multipurpose river valley
project after independence.
Technical Details
Structure:
 Composite structure of earth, concrete and
masonry
 Main dam has an overall length of 4.8 km
spanning between two hills
 Biggest artificial lake in Asia
Purpose:
 Canal system
 Industrial Use
Issues:
 Siltation
 Water Conflict
 Inter-basin Water Transfer
HIRAKUD DAM
JEELKUMAR PATEL (18BCL039)
Civil Department, Institute of Technology, Nirma University, Ahmedabad
Hirakud Dam Longest dam in India
Height Of The Dam 61m
Length Of The Dam 4.8km (main dam)
Type of Dam Composite Dam
River Name Mahanadi River
Location Odisha
The Reservoir Capacity 47,79,965 acre feet
Installed Capacity 347.5 Megawatt
Total Length 25.79 km
Length of Main Dam 4.8 km
Artificial Lake
Irrigated Area
Cost (in 1957) Rs. 1000.2 million
Top dam level R.L. 195.680 m
F.R.L./M.W.L. R.L. 179.830 m
Total quantity of earthwork in dam
Total quantity of concrete
Catchment Area