2017 Standardized Water Treatment Operator Exams

Testing Services

Water Treatment Operator Need-to-Know Criteria

Need-to-Know Criteria outline the content that will be covered on the 2017 ABC standardized exams.


Water Treatment Operator Formula/Conversion Table

ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam.

2017 Water Treatment Operator Formula/Conversion Table


Water Treatment Operator Exam References

The following are approved as reference sources for the 2017 ABC standardized water treatment operator exams.

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