Page 1 of 160
TCEQ Class D Water Operator Exam QUESTIONS
AND CORRECT ANSWERS WITH RATIONALES
# TCEQ Class D Water Operator Exam
SECTION 1: LICENSING REQUIREMENTS & EXAM BASICS (Questions 1-30)
1. What is the minimum educational requirement to apply for a Class D Water Operator license in
Texas?
A) No formal education required
B) High school diploma or equivalent (GED)
C) Associate's degree in water technology
D) Bachelor's degree in engineering
Answer: B - A Class D license requires a high school diploma or equivalent (GED) . A Provisional Class D
license may be issued without a diploma, but the full Class D requires completion of high school or
equivalent.
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2. How many total training credit hours are required to qualify for the TCEQ Class D Water Operator
examination?
A) 12 hours
B) 22 hours
C) 40 hours
D) 62 hours
Answer: B - Class D Water Operator applicants must complete 22 hours of approved training credits .
This foundational training is typically completed through the Basic Waterworks Operations course.
---
3. What is the minimum passing score required for the TCEQ Class D Water Operator examination?
A) 60%
B) 70%
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C) 75%
D) 80%
Answer: B - TCEQ requires a minimum passing score of 70% on all occupational license examinations,
including the Class D Water Operator exam .
---
4. What is the time limit for completing the TCEQ Class D Water Operator computer-based examination?
A) 1 hour
B) 2 hours
C) 3 hours
D) 4 hours
Answer: C - All TCEQ water operator examinations have a three-hour time limit unless otherwise noted .
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, Page 4 of 160
5. How many times may an applicant attempt the Class D Water Operator exam during the one-year
approval period?
A) One time only
B) Two times only
C) Three times only
D) Four total attempts (first test plus up to three retests)
Answer: D - Applicants may attempt a total of four tests during a one-year approval period: the initial
test plus up to three retests .
---
6. What is the work experience requirement for a full Class D Water Operator license?
A) 0 years (none required)
B) 1 year
TCEQ Class D Water Operator Exam QUESTIONS
AND CORRECT ANSWERS WITH RATIONALES
# TCEQ Class D Water Operator Exam
SECTION 1: LICENSING REQUIREMENTS & EXAM BASICS (Questions 1-30)
1. What is the minimum educational requirement to apply for a Class D Water Operator license in
Texas?
A) No formal education required
B) High school diploma or equivalent (GED)
C) Associate's degree in water technology
D) Bachelor's degree in engineering
Answer: B - A Class D license requires a high school diploma or equivalent (GED) . A Provisional Class D
license may be issued without a diploma, but the full Class D requires completion of high school or
equivalent.
---
, Page 2 of 160
2. How many total training credit hours are required to qualify for the TCEQ Class D Water Operator
examination?
A) 12 hours
B) 22 hours
C) 40 hours
D) 62 hours
Answer: B - Class D Water Operator applicants must complete 22 hours of approved training credits .
This foundational training is typically completed through the Basic Waterworks Operations course.
---
3. What is the minimum passing score required for the TCEQ Class D Water Operator examination?
A) 60%
B) 70%
, Page 3 of 160
C) 75%
D) 80%
Answer: B - TCEQ requires a minimum passing score of 70% on all occupational license examinations,
including the Class D Water Operator exam .
---
4. What is the time limit for completing the TCEQ Class D Water Operator computer-based examination?
A) 1 hour
B) 2 hours
C) 3 hours
D) 4 hours
Answer: C - All TCEQ water operator examinations have a three-hour time limit unless otherwise noted .
---
, Page 4 of 160
5. How many times may an applicant attempt the Class D Water Operator exam during the one-year
approval period?
A) One time only
B) Two times only
C) Three times only
D) Four total attempts (first test plus up to three retests)
Answer: D - Applicants may attempt a total of four tests during a one-year approval period: the initial
test plus up to three retests .
---
6. What is the work experience requirement for a full Class D Water Operator license?
A) 0 years (none required)
B) 1 year
