Table 1: Aquifer protective capacity rating of the studied formation on the basis of Oladapo and Akintorinwo’s [22] longitudinal conductance scale.

Longitudinal conductance (mhos)

Protective capacity rating

Remarks

˃ 10

Excellent

VES 2

10-May

Very Good

VES 13

0.7-4.9

Good

VES 3, 4, 5, 7, 8, 11, 12, 14, 19, 20, 21 and 23

0.2-0.69

Moderate

VES 1, 6, 15, 17 and 22,

0.1-0.19

Weak

VES 10 and 16

˂ 0.1

Poor

VES 9 and 18