have to check..
physio-chemical parameters -Mainly...PH-6.5-8.5,TDS-(mg/l) 500 -2000 others Turbidity- (NTU) 2 8,Conductivity-μs/cm 750 3500,Total solids
Micro biologically - total plate count ,Yeast and mold ,Coliform
u can get more information from (slsi library)-Sri Lanka Standards for...