WHO Water Guidelines:

 
     
  • pH 6.5-8.5
• Turbidity (no microbial) 5 NTU
• Solids, Total Dissolved 1000 mg/L
• Arsenic 0.01 mg/L
• Coliforms (Total) 0
• Coliforms (E.coli) 0
• Color 15 cu
• Iron 0.3 mg/L
• Lead 0.01 mg/L, etc
 
   
 
 

 

 

 

 

 

 

 
   
   
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