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
TasteDilution numberUnobjectionableUnobjectionable-No guide level
3
OdourThreshold Odour NumberUnobjectionableUnobjectionable-No guide level
4
TemperatureNot mentionedNot mentionedNo Guideline value
5
Turbidity (including suspended solids)Formazin turbidity unitsNot 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
​​