Top
Narmada Water Resources ,Water Supply and kalpsar department (Water Resources) home
 
 
 
Dharoi Water Resources Project
         
  Dharoi Water Resources  Project  
Information
Location Vill: Dharoi,  Ta: Kheralu. Dist: Mehsana
Purpose Irrigation & water supply
River Sabarmati
Area of catchment 5475km2
Mean annual runoff in the catchment 1052Mm3
Mean annual rainfall 633 mm
Year of commencement of construction work 1971
Year of completion 1978
 
       
 
Dam
Type Earthen & Masonry
Bed Rock Granite
Maximum height above the
lowest point of foundation
45.87m
Length at the top of the dam 1207m
Total Volume Content:
Concrete 0.07 Mm3
Masonry 0.24 Mm3
Earthwork 1.58 Mm3
 
Reservoir
Area at full reservoir level 107 Km2
Gross storage capacity 907.88 Mm3
Effective storage capacity 131.99 Mm3
Area under submergence:
a) Forest b) Waste land c) Culturable
(a)  349.39 ha (b)  2727.55 ha (c )7489.87 ha
No. of villages under submergence 19 Partial,  28 Full
 
         
 
Spillway
Type Ogee
Length 219m
Energy dissipater Roller bucket
Maximum discharge 21662 m3/s
Type, Nos. and  size of gate Radial , 12,  (14.95 m x 10.67m)
 
Canal
Length of canal 44 km (Right),  29.52km (Left)
Capacity 20 m3/s  (Right),  5 m3/s (Left)
Gross command area 81754 ha  (Right),  15670 ha (Left)
Culturable command area 70454 ha (Right),  12145 ha (Left)
 
         
 
Villages under command
a) District b) Taluka c) No. of villages
Mehsana Kheralu 59
  Visnagar 28
  Sidhpur 16
  Mehsana 7
  Vijapur 17
Sabarkantha Idar 41
  Himatnagar 9
  Total 177
 
Irrigated Area in Last Five Years :
Year Irrigated area in Ha.
2008-09 16224
2009-10 14607
2010-11 22061
2011-12 28178
2012-13 24700

Cost
Estimated cost Rs 9600 lacs
Expenditure upto March, 1987 Rs. 8354.94 lacs

Geology
Name of Scheme District Rock type encountered at the dam site
Dharoi Mehsana Granite, Calcgneiss.

Power Plant:
Type Hydro power
Hydraulic Head 31.7 m
Maximum discharge 31 m3/s
Capacity 1.4 MW
 
         
 
Name of scheme River Village Taluka Dist. Catchment Area (Sq.Kms) Yield (MCM) Maximum observed flood (Cumecs)
Gujarat Other Maximum Average
Dharoi  Sabarmati Dharoi Satalasana Mehsana 2639.00 2901.00 1725.46 664.62 14158.00

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)
02/09/1973 178.92 189.59 192.24 195.07 823.10 88.06 735.04 219.46

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)
 Ogee  Radial 14.94 X 11.28 12   29.50 11.32 43.50 38.22 1984

G.C.A. (Ha) C.C.A. (Ha) Maximum Irrigation
Year Area
177112 95222 1993-94 40762