Profundidad del agua subterranea (m)

0 thru 1.524 = 10
1.524 thru 4.572 = 9
4.572 thru 9.144 = 7
9.144 thru 15.24 = 5
15.24 thru 22.86 = 3
22.86 thru 30.48 = 2
30.48 thru 1000 = 1

Recarga (pulgadas)
0 - 2 = 1
2 - 4 = 3
4 - 7 = 6
7 - 10 = 8
10 + = 9

Topografía
0 - 2 = 10
2 - 6 = 9
6 - 12 = 5
12 - 18 = 3
18+ = 1

Conductividad hidraulica (m/d)
0.04 - 0.45 = 1
0.45 - 0.9 = 2
0.9 - 1.35 = 3
1.35 - 3.6 = 4
3.6 - 2.25 = 3
2.25 - 3.6 = 6