Groundwater recharge in 2011 [mm]

Borehole name

Jan

Feb

Mar

Apr

May

June

Total [mm/yr]

BH3

10

9

9

2

9

24

63

BH5

7

3

4

1

5

17

37

BH6

9

4

4

1

7

22

47

BH7

7

5

10

8

6

19

55

BH8

10

7

8

1

8

25

59

BH9

13

3

11

5

7

33

72

Table 3: Monthly and total groundwater recharge rates calculated using Equation 1 for the boreholes drilled into the alluvial channel aquifer during the 2010-2011 rainy season.