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Table 1

Qualitative interpretation of WQI value

WQI rangeQualitative descriptor of WQI
0–25 Poor water quality 
26–50 Fair water quality 
51–70 Medium or average water quality 
71–90 Good water quality 
91–100 Excellent water quality 
WQI rangeQualitative descriptor of WQI
0–25 Poor water quality 
26–50 Fair water quality 
51–70 Medium or average water quality 
71–90 Good water quality 
91–100 Excellent water quality 
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