Sub-System

Indicator

Code

Aquifer thickness (A)

Excellent

Very High

High

Moderately High

C1

C2

C3

C4

Aquifer media (M)

Excellent

Very High

High

Moderately High

Medium

C5

C6

C7

C8

C9

Aquitard thickness (O)

Excellent

Very High

High

Medium

C10

C11

C12

C13