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 |