Drinking Water Treatment and Water Quality Operations Practice Test
Build your confidence for Drinking Water Treatment and Water Quality Operations. Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.
Try a sample questionExam overview and details
Review drinking-water treatment, sampling, disinfection, chemical dosing, and regulatory reporting. The questions help people building or checking water operations knowledge connect treatment processes with monitoring results and operational decisions. Administered by AWWA. Key domains include Advanced Topics, Best Practices, Core Knowledge and Fundamentals.
Sample Questions
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A surface-water plant with high TOC is exceeding TTHM LRAAs after chlorination. Which treatment-selection change should be evaluated first?
A chlorine dioxide system increases dose for taste-and-odor control. Which regulated byproduct should the operator watch closely?
A plant using chlorine dioxide is asked to add more dose for taste-and-odor control. Which monitoring requirement becomes especially important?
During a watershed sanitary survey, an operator maps an upstream wastewater bypass and a livestock crossing near the intake. Which contaminant class is the primary public-health concern?
The current federal PFAS MCL for PFOS in drinking water is closest to which value?
Exam insights and study advice
Understanding treatment and monitoring supports thoughtful review of water quality conditions, process controls, and reporting responsibilities.
What this exam covers
01Advanced Topics
Advanced concepts and techniques
02Best Practices
Industry best practices and standards
03Core Knowledge
Essential knowledge areas
04Fundamentals
Basic concepts and principles
05Practical Application
Real-world application of concepts