Study Guides

Below is a list of study guides (obtained from ABC website – Study material can be sourced from ABC, AWWA & WEF. Select the links below:

Examination Supplier
Water Treatment and Distribution Operators American Water Works Association Bookstore

Phone (800) 926-7337

Operator Certification Study Guide, Fifth Edition: A Guide to Preparing for Water Treatment and Distribution Operator Certification Exams

Wastewater Treatment, Collection and Wastewater Laboratory
Water Environment Federation Bookstore

Phone (800) 666-0206

WEF/ABC Wastewater Operators’ Guide to Preparing for the Certification Examination

WEF/ABC Collection Systems Operators’ Guide to Preparing for the Certification Examination

WEF/ABC Wastewater Laboratory Analysts’ Guide to Preparing for the Certification Examination

Wastewater and Laboratory practice questions developed by WEF are available in the Skills Builder section of WEF’s web site.

Very Small Water Systems Operators
The Very Small Water System Operators’ Guidebook to Preparing for Certification relates to critical knowledge required to competently operate water systems.

Very Small Water Systems web-based practice exam

Formula/Conversion Tables ABC Formula/Conversion Tables are provided during the examination and should be used to solve exam calculations

 Sample Exam Questions
Online Exam Format

ABC Water Treatment

ABC Wastewater Treatment

ABC Collection

ABC Distribution

ABC Laboratory Analysis

Downloadable PDF Format

ABC Very Small Water Systems

Sample exam questions give you an online resource to prepare for your exam. In preparation for taking a certification exam, review the following questions as a sample of the type of questions covered. While these questions aren’t duplicated on any exam, sample questions allow you to familiarize yourself with the exam format.  

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