Exam References

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Water Treatment Operator Exam References

The following are approved as reference sources for the 2017 ABC standardized water treatment operator exams. Reference lists for prior generations of ABC standardized exams are included in the respective Need-to-Know Criteria.

American Water Works Association (AWWA)
  • *WSO: Water Treatment Series (Grade 1, Grade 2, Grades 3 & 4)
  • *WSO: Water Distribution Series (Grades 1 & 2, Grades 3 & 4)
  • Basic Science Concepts and Applications
  • Water Quality
  • Water Sources
  • Water System Security, A Field Guide

*These WSO texts replace previous AWWA titles Water Treatment and Water Transmission and Distribution.Visit www.awwa.org/wso to learn more about transitioning between the guides.

Association of State Drinking Water Administrators (ASDWA) and National Rural Water Association (NRWA)
  • Security Vulnerability Self Assessment Guide for Small Drinking Water Systems

California State University, Sacramento (CSUS) Foundation, Office of Water Programs
  • Manage for Success
  • Water Treatment Plant Operation, Volume I and II