Pumping Test Details

W1

W2

W3

W4

W5

Borehole Depth (m)

57

48.8

57

47

52

Discharge (m3/d)

93.6

432

576

864

201.6

Static Water Level (m)

1.25

4.15

2.39

4.35

6.28

Dynamic Water Level (m)

25.4

28.15

17.21

15.9

31.45

Drawdown (m) /log cycle

2.87

2.78

3.44

3.65

2.23

Percentage recovery after 12 hours

99.96

99.79

99.93

99.83

99.17

Transmissivity (m2/d)

5.98

28.42

30.69

43.31

16.57

Estimated water level at the end of dry season (m)

27.35

34.55

26.39

23.15

33.38

Estimated Sustainable Yield at intermittent 16 hours pumping per day (m3/day)

50

280

350

380

110