S.No	Parameters
1	Appearance
2	Colour, Hazen units
3	Odour
4	Electrical Conductivity Micro mho/cm
5	Turbidity, NTUnit
6	Total dissolved solids mg/L
7	pH Value
8	Total Hardness (as CaCO3)
9	Calcium (as Ca)
10	Magnesium (as Mg)
11	Manganese (as Mn)
12	Chloride (as Cl)
13	Sulphate (as SO4)
14	Iron (as Fe)
15	Nitrate (NO3)
16	Silica (as SiO2)
17	Fluoride as F
18	Free Ammonia as NH3
19	Sodium as Na
20	Total alkalinity as calciumcarbonate
21	Free residual chlorine
22	Lead as pb
23	Total Arsenic
24	Zinc as Zn
25	Copper as Cu
26	Nickel as Ni
27	Total colony count 22ºC CFU/ML
28	Coliforms
29	Faecal Coliforms
30	E.Coli
31	Faecal streptococci
32	Staphylococcus aureus
33	Salmonella sp
34	Shigellasp
35	Vibrio sp
IS 10500, IS 1622