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Damanganga Water Resources Project
  Damanganga Water Resources Project  
Location Village: Madhuban  Tal.:Dharampur, Dist.;Valsad
Purpose Irrigation, water supply and power generation
River Damanganga
Area of catchment 1813  Km2
Mean annual runoff in the catchment 3771.60  Mm3
Mean annual rainfall 2382 mm
Year of commencem ent of construction work 1973-74
Year of completion 1998
Type Composite
Bed Rock Basalt
Maximum height above the
lowest point of foundation
58.60 m
Length at the top of the dam 2870 m
Total  Volume Content:
Concrete 0.085  Mm3
Masonry 0.30 Mm3
Earthwork 11.46 Mm3
Area at full reservoir level 51.44 km2
Gross storage capacity 567 Mm3
Effective storage capacity

502 Mm3

Area under submergence
a)  Forest b)  Waste land c) Culturable
a) 1202 ha b)  987 Ha. c) 2955 ha
No. of villages under submergence    24 partial , 12 full
Type Ogee
Length 155.47m
Energy dissipater Roller bucket
Maximum discharge 22040  m3/s
Type, Nos. and  size of gate Radial ,10, (15.55 m  x 14.02 m)
Length of canal 98.40 km
Capacity 34.76 (Right) 11.46 (Left)  m3/s
Gross command area 77905  ha.
Culturable command area 56070   ha.
Villages under command
a) District b) Taluka c) No. of villages
Valsad      Pardi 78
      Umargam 37
      Dharampur 6
Daman (Union Territory)     Daman 26
  Ddadara & Nagar Haveli 24
  Total 171
Irrigated Area in Last Five Years :
Year Irrigation Area in ha
2008-09 4218.01
2009-10 9742.51
2010-11 11329.524
2011-12 12711.58
2012-13 13242.67

Estimated Cost Rs.16051.00 lacs
Expenditure upto March, 1987 Rs. 12189.18 lacs
Name of Scheme District Rock type encountered at the dam site
Damanganga Valsad Amygdaloidal basalt, Porphyritic basalt, Dolerite, Agglomerate.
Name of scheme River Village Taluka Dist. Catchment Area (Sq.Kms) Yield (MCM) Maximum observed flood (Cumecs)
Gujarat Other Maximum Average
Damanganaga Damanganaga Madhuban Kaparada Valsad 376.00 1318-119 5426.00 3150.00 6.16

Date Crest R.L. (M.) F.R.L. (M) H.F.L. (M) Top of Dam R.L.(M) Gross Capacity at F.R.L. (MCM) Dead storage (MCM) Live storage (MCM) Lenth of Spillway (M)
03/08/2004 65.83 79.86 82.40 85.60 567.00 65.00 502.00 191.11

Type of Spillway Details of Gates Lenth of Auxilary Spillway (M) Left Bank Canal Right Bank Canal Year of Completion
Types Nos. Lenth K.M. Discharge Capacity (Cumecs) Length K.M. Discharge Capacity (Cumecs)
Gated, Ogee  Radial 15.55 X 14.02 10  - 33.40 11.47 45.54 34.76 1988

G.C.A. (Ha) C.C.A. (Ha) Maximum Irrigation
Year Area
77935 51138 2006-07 10636