AWWA Store

Water System Operations

Leading Industry Resources for Operator Certification Training

Fundamental training on principles and practices 

     
             
WSO Water
Treatment
Grade 1
  WSO Water
Treatment
Grade 2
  WSO Water
Treatment 
Grades 3 & 4
  WSO Water
Distribution 
Grades 1 & 2
  WSO Water
Distribution
Grades 3 & 4

                  
                  

Practice exam questions and answers 

     
             
Water Operator
Certification
Exam Prep
  Water Operator
Certification
Exam Prep App
  Wastewater
Operator Certification
Study Guide
       
                 
                 

Additional math preparation 

     
         
Math for Water
Treatment Operators
  Math for Distribution
System Operators 
  Math for Wastewater
Treatment Operators
Grades 1 & 2
 
  Math for Wastewater 
Treatment Operators 
Grades 3 & 4