integrated watershed management programme – v - tawdeva

NERIGAM WATERSHED DETAILED PROJECT REPORT
Format – 17
WELL INVENTORY
(Sample basis – One in each area i.e. upper, middle, lower, valley portion and other significant geological formations
– at least 5 – 10 wells may be covered and the same should be marked on the map)
Total wells in the watershed area: 91
S.No Particulars Well No.1 Well No.2 Well No.3 Well No.4 Well No.5
1 Well location (survey No) 11 33 38 57 45
2 Type of use* Agri Agri Agri Agri Agri
3 Year of construction 1983 1979 1986 1992 1969
4 Diameter (in Metres) 5.5x5.5 5.8x5.8 6 m dia 5.5x5.5 6x6
5 Depth of well – below ground level (in metres) 12.5 13 13.5 13.5 13
6 Depth of water table from ground level (in m) 11.1 11.9 12.2 12.5 12.1
7 Geological formation
Metamorphic Formation
8 Lifting device (pump, oil engine / other) EM EM EM EM EM
9 HP of pump 5 Hp 5 Hp 5 Hp 5 Hp 5 Hp
10 Hourly discharge CuM 11 10 10 12.00 11
11 Operating hours 2.30 2.00 2.00 2.45 2.45
12 If drained completely – recovery time in hours 9 10 10 8 9
13 Daily draft (CuM/ HaM) 0.0032 0.0030 0.0030 0.004 0.0038
14 Operating days per year 98 95 95 110 105
15 Yearly draft (CuM / HaM) 0.315 0.035 0.035 0.425 0.38
16 Average area irrigated (ha) 0.85 0.75 0.75 1.00 0.90
KRISHNAGIRI DISTRICT
Source : Field Survey