Slope

Rainfall

Permeability

Net Recharge

Slope (%)

Factor

Rain

Factor

Type of soil

Factor

Range

Rating

2>

4

<600

4

Sandy loam

4

3 - 6

1

2 - 10

3

600 - 700

3

Silty clay loam

2

6 - 7

3

10 - 32

2

700 - 860

2

-

-

-

-

33<

1

>860

1

-

-

-

-