Pass your water operator certification exam with American Water Works Association’s (AWWA) official app! The AWWA Opcert Exam Prep is an education and reference app available on iPhone. It is developed by water industry professionals and offers 2,800+ practice questions and answers to help you study for your water operator certification exam. The app allows you to track your progress with detailed results and cumulative history charts, and you can filter questions by subject type or format to focus your studying. Additionally, the app provides detailed answer explanations, including equations and formulas. With the AWWA Exam Prep app, you will have all the information you need to master your operator certification exam and kick-start or advance your career.