[Table/Fig-1]:

Physico – chemical parameters and methods used to assess the water quality.

Physical and Chemical parameters	Method
Colour	Colour Comparator (Comparator 2000 + Lovibond)
Turbidity	Turbidity Meter (Elicoscientifics)
pH	pH Meter (Elicoscientifics)
Electrical Conductivity	Electrical Conductivity Meter (Elicoscientifics)
Total Dissolved Solids	Gravimetric Method
Total Hardness, Total Alkalinity, Calcium, Magnesium, Chloride	Titration Method
Nitrate, Sulphate, Fluoride	Spectrophotometry (Elicoscientifics)
Sodium	Flame Emission Photometric Method (Elicoscientifics)
All Trace Metals	Inductively Coupled Plasma Method (Perkin Elmer)