Answered
What is the passing score for the Texas Class D exam?
You need a minimum of 70 percent to pass the Texas Class D water or wastewater operator exam. You get your score and a printed analysis at the testing center right after you finish, and the license is issued within about a week of passing.
Last reviewed 2026-08-03
The score you need
Seventy percent is the minimum passing score for the Class D exam. It is the same threshold for both the water and wastewater tracks.
What you get afterward
The center gives you your score and a printed breakdown by area as soon as you finish. If you pass, the license is issued within roughly a week.
Common questions
- What percent do you need to pass?
- A minimum of 70 percent.
- Do you see your score right away?
- Yes, with a printed analysis at the testing center.
- How long until the license is issued?
- About one week after passing.