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Table 1

Standard values, weights, and relative weights for each hydrochemical parameter

ElementsWHO (2011) (mg/L)Weight (wi)Relative weight (Wi)
pH 6.5–8.5 0.087 
EC 1,500 0.087 
TDS 1,000 0.087 
SO42− 250 0.109 
NO3 45 0.109 
Cl 250 0.087 
HCO3 500 0.065 
F 1.5 0.109 
TH 100 0.065 
K+ 12 0.043 
Na+ 200 0.065 
Mg2+ 50 0.043 
Ca2+ 75 0.043 
    
ElementsWHO (2011) (mg/L)Weight (wi)Relative weight (Wi)
pH 6.5–8.5 0.087 
EC 1,500 0.087 
TDS 1,000 0.087 
SO42− 250 0.109 
NO3 45 0.109 
Cl 250 0.087 
HCO3 500 0.065 
F 1.5 0.109 
TH 100 0.065 
K+ 12 0.043 
Na+ 200 0.065 
Mg2+ 50 0.043 
Ca2+ 75 0.043 
    
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