CWS Exam Mode
Certified Water Specialist (CWS) Exam
The CWS certification validates a professional's expertise in water treatment technologies, water quality issues, and the application of solutions for various water problems.
100
Questions
120 min
Time Limit
70%
To Pass
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out