Classes of zone favorable to recharging

Normalized recharge indices (%)

Ir

Recharge degree

1.0 - 3.0

0 - 30

2.86

Bad

3.1 - 3.9

30 - 45

3.79

Poor

4.0 - 4.7

45 - 60

4.72

Good

4.8 - 5.7

60 - 75

5.65

Very good

5.8 - 7.2

75 - 100

7.2

Excellent