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Machhannala Water Resources Project
Location Vill.:  Nansalal, Ta: Jhalod: Dist: Panchmahals
Purpose Irrigation
River Machhan
Area of catchment 245 km2
Mean annual runoff in the catchment 54.65 Mm3
Mean annual rainfall 869 mm
Year of commencement of construction work 1977
Year of completion -
Type Earthen
Bed Rock Garnet  Mica-Schists
Maximum height above the
lowest point of foundation
25.44 m
Length at the top of the dam 2100 m
Total Volume Content:
Concrete 0.013 Mm3
Masonry 0.023 Mm3
Earthwork 0. 425 Mm3
Area at full reservoir level 7.96 Km2
Gross storage capacity 37.91 Mm3
Effective storage capacity 29.16 Mm3
Area under submergence
a) Forest b) Waste land c) Culturable
 a)  Nil b) 159.50 ha c)  636.50 ha
No. of villages under submergence 9 partial
Type Ogee
Length 260m
Energy dissipater 3622.4 m3/s
Maximum discharge Stilling basin
Type, Nos. and  size of gate Ungated
Length of canal 11.3 (Left) 14.4 (Right) km
Capacity 2.32 m3/s,  142m3/s
Gross command area 3944 ha
Culturable command area 2463 ha
Villages under command
a) District b) Taluka c) No. of villages
Panchmahals Jhalod 10
  Total 10
Estimated cost Rs. 1177.51 laca
Expenditure upto March, 1987 Rs. 1177.51 lacs
Irrigated Area in Last Five Years
Year Irrigated Area in ha
2008-09 1700
2009-10 570
2010-11 1150
2011-12 1250
2012-13 1222
Name of Scheme District Rock type encountered at the dam site
Machhannala Panchmahals Garnet micaschists intercalated with quartzite
Name of scheme River Village Taluka Dist. Catchment Area (Sq.Kms) Yield (MCM) Maximum observed flood (Cumecs)
Gujarat Other Maximum Average
Machhanala Machhan Nansalai Jhalod Pachmahal 244.91   54.65 50.76 1225

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)
12/08/2006 279.04 279.04 218.2 283.8 37.53 5.93 29.96 260

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)
Broad crested Wier Un Gated -   14.4 2.32 11.31 1.42 1988

G.C.A. (Ha) C.C.A. (Ha) Maximum Irrigation
Year Area
- - - -