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Bangalore water supply & sewerage board
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Drinking water standards...... |
| Substance or
Property |
Maximum Acceptable |
Rejection Level |
| Total Solids |
500 mg/1 |
1500 mg/1 |
| Colour |
5 units |
50 units |
| Turbidity |
5 units |
25 units |
| Taste |
Unobjectionable |
----- |
| Odour |
Unobjectionable |
----- |
| Iron(Fe) |
0.3 mg/1 |
1.0 mg/1 |
| Manganese(Mn) |
0.1 mg/1 |
0.5 mg/1 |
| Copper(Cu) |
1.0 mg/1 |
1.5 mg/1 |
| Zinc(Zn) |
5.0 mg/1 |
1.5 mg/1 |
| Calcium(Ca) |
75 mg/1 |
200 mg/1 |
| Magnesium(Mg) |
50 mg/1 |
150 mg/1 |
| Sulfate(SO4) |
200 mg/1 |
400 mg/1 |
| Chloride(Cl) |
200 mg/1 |
600 mg/1 |
| pH range or greater than 9.2 |
7.0-8.5 |
Less than 6.5 |
| Manesium + Sodium Sulphate |
500 mg/1 |
1000 mg/1 |
| Phenolic Substances(as
pheno) |
0.001 mg/1 |
0.002 mg/1 |
| Carbon Chloroform extract
(CCE,organic pollutants) |
0.2 mg /1 |
0.5 mg/1 |
| Alkyl benzyl Sulfonates
(ASS,surfactants) |
0.5 mg /1 |
1.0 mg/1 |
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