Classes of recharge

Recharge index (Ir) standardise (%)

Ri

Bad

0 - 30

2.67 - 5.74

Mediocre

30 - 45

5.74 - 7.03

Medium

45 - 60

7.03 - 8.01

Good

60 - 75

8.01 - 8.56

Very good

75 - 100

8.56 - 8.85