DRINKING WATER QUALITY GUIDELINES IN THE KINGDOM OF BAHRAIN
All concentrations/ values are maximum unless otherwise stated
Item
|
Parameters
| Units of Measurement
|
GCC standard ( GS149/2014) |
WHO Guidelines 2011 |
|---|
1
| Colour
| mg/l Pt/Co Scale
| Unobjectionable
| Unobjectionable-No guide level |
2
| Taste | Dilution number | Unobjectionable | Unobjectionable-No guide level |
3
| Odour | Threshold Odour Number | Unobjectionable | Unobjectionable-No guide level |
4
| Temperature | Not mentioned | Not mentioned | No Guideline value |
5
| Turbidity (including suspended solids) | Formazin turbidity units | Not mentioned | < 1.0 |
| 6 | Chlorine- residual | mg/l Cl2 | <0.5 | 0.2-0.5 |
| 7 | pH | pH value | 6.5-8.5 | 8.00 |
| 8 | Conductivity
| μS/ cm
| 160-1600 | 1000 |
| 9 | Total Dissolved Solids | mg/l | 100-1000 | 600 |