Examination Study Resources

Testing Services

Study materials to help you succeed

As you prepare for your certification exam, you may wish to utilize the following ABC resources:

Need-to-Know Criteria - The Need-to-Know Criteria describe the core competencies covered on the ABC standardized exams.  The Criteria also list exam specifications and reference material that should be used to prepare for the ABC exam.     

Formula/Conversion Tables - ABC Formula/Conversion Tables are provided during the examination to assist with exam calculations.

Exam References - View a list of the reference sources for ABC's current standardized exams and link to the publishers' sites for more information.

Study Guides - ABC works with American Water Works Association (AWWA) and Water Environment Federation (WEF) to develop study guides to help you get ready for your certification exam. Guides are available for purchase through WEF and AWWA. 

Sample Exam Questions - Get a feel for the exam with these sample questions. While you will not find questions directly from an exam and they are not necessarily representative of current exam content, they will help you familiarize yourself with a certification exam format.     

Web-Based Testing Demo - Choose any of the "Online Exam Format" sample questions to try out the web-based testing interface for yourself.

Computer-Based Testing Overview - Access a brief video to learn what to expect when you take a computer-based exam at a PSI Test Center.