Examination Study Resources

Testing Services

New 2017 standardized exams for wastewater treatment, wastewater collection, water distribution, and water treatment operators are available for administration beginning May 1, 2017. Contact your certifying authority to determine which exam preparation materials are appropriate for your jurisdiction and exam date.

Study materials to help you succeed

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

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

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.   

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.          

Computer-Based Testing - Access a Computer-Based Testing Demo to learn what to expect on a computer-based exam.