Calculations
 
 
 

Chlorination
 
 
 

Chloramination
 
 











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CT Evaluation

   
System  
Town
Disinfectant  
Pathogen risk  
Log inactivation required  
Temperature    ºC
Expected chlorine residual     mg/L
pH  
  mg.min/L
Clear water storage capacity     kL
Minimum operating level of CWS    %
Baffle factor of CWS  
Maximum flow rate out of CWS     kL/h
Water main diameter to the first customer     mm
Water main length to first customer     m
 
Water main volume     m³
Detention time in CWS     min      h
Detention time in the water main     min      h
Total detention time     min      h
   
Chlorine Residual Required  
Minimum chlorine residual     mg/L