Based on Table 10, the calculated values of WQI in this study were compared with the prescribed standards to show the water quality condition for agriculture purpose as represented in Figure 10.
Table 10

WQI categories and their classifications (Rown et al. 1972)

WQIClassification
<50 Excellent
50–100 Good
100–200 Poor
>300 Unfit
WQIClassification
<50 Excellent
50–100 Good
100–200 Poor