Disinfection CT Calculator for a Water Treatment Plant    
  © WQTS, Inc. 2019.  All Rights Reserved Ver. 2.0  
  By using this calculator, You, the user, understand and agree that 1) WQTS makes no warranties of the accuracy of its calculations, 2) you use it at your own risk, and 3) you indemnify WQTS, its owners, employees, and agents from any and all damages, costs, harm, penalties, injuries, claims, or loss, financial or otherwise, resulting from, or in any way related to, Your use of this calculator.  
  (1) - Select Disinfectant:
  (2) - Enter Contactor Operational Information:  
Flowrate = MGD
Contactor Volume = Gallons
Contactor Baffling Factor = (T10/HRT)
Target Minimum Giardia Inactivation = logs
Target Minimum virus Inactivation = logs
  (3) - Enter Known Water Quality Parameters at Contactor Outlet:    
  Temperature = oC    
  pH =      
  Disinfectant Residual = mg/L    
  (4) - Read Calculated Values: Giardia virus    
  CT Required, mg-min/L =    
  CT Achieved, mg-min/L =    
  CT Ratio =