Texas Water Well Driller License Exam Prep
2026/2027 – Actual Questions with Verified
Answers, Detailed Rationales & Expert-
Reviewed Study Guide PDF (Latest Updated
Edition)
TEXAS WATER WELL DRILLER LICENSE EXAM PREP 2026/2027 Actual Questions
with Verified Answers | Detailed EXPERT RATIONALE | Expert-Reviewed Study
Guide
• This guide features exam-style multiple-choice questions with verified correct
answers and detailed EXPERT RATIONALE, covering every topic tested on the Texas
Water Well Driller License Exam — from state laws and well construction standards
to hydrogeology, safety, and pump installation.
• For best results, read each question carefully, choose your answer before looking
at the correct option, then study the EXPERT RATIONALE below it to reinforce key
concepts, rules, and Texas-specific regulations.
Q1. Which state agency is responsible for regulating water well drillers and
pump installers in Texas?
A. Texas Department of Agriculture
B. Texas Railroad Commission
C. Texas Commission on Environmental Quality (TCEQ)
D. Texas Department of State Health Services
E. Texas Parks and Wildlife Department
✔ Correct Answer: C. Texas Commission on Environmental Quality (TCEQ)
EXPERT RATIONALE: TCEQ is the state agency responsible for licensing water well
drillers and pump installers and enforcing water well construction standards in
Texas under the Texas Water Well Driller Act.
,Q2. The Texas Water Well Driller Act is codified in which Texas statute?
A. Texas Health and Safety Code, Chapter 341
B. Texas Water Code, Chapter 11
C. Texas Natural Resources Code, Chapter 85
D. Texas Occupations Code, Chapter 1901
E. Texas Administrative Code, Title 30
✔ Correct Answer: D. Texas Occupations Code, Chapter 1901
EXPERT RATIONALE: The Texas Water Well Driller Act, which governs the licensing
and conduct of water well drillers and pump installers, is found in Chapter 1901 of
the Texas Occupations Code.
Q3. How long is a Texas water well driller license valid before it must be
renewed?
A. 1 year
B. 2 years
C. 3 years
D. 4 years
E. 5 years
✔ Correct Answer: B. 2 years
EXPERT RATIONALE: Texas water well driller licenses are valid for a two-year
period and must be renewed biennially to remain in good standing with TCEQ.
Q4. Which chapter of the Texas Administrative Code contains the Water Well
Standards rules adopted by TCEQ?
, A. 30 TAC Chapter 60
B. 30 TAC Chapter 70
C. 30 TAC Chapter 74
D. 30 TAC Chapter 75
E. 30 TAC Chapter 76
✔ Correct Answer: E. 30 TAC Chapter 76
EXPERT RATIONALE: 30 TAC Chapter 76 (Water Well Standards) contains TCEQ's
rules governing the construction, alteration, and plugging of water wells in Texas
and is the primary regulatory reference for licensed drillers.
Q5. A person wishing to drill a water well in Texas for compensation must
hold:
A. A business permit from the county clerk
B. A valid water well driller license issued by TCEQ
C. An environmental impact certificate from the EPA
D. A groundwater district membership card only
E. A federal bureau of land management drilling permit
✔ Correct Answer: B. A valid water well driller license issued by TCEQ
EXPERT RATIONALE: Any person who drills, deepens, repairs, or alters a water well
in Texas for compensation must hold a valid water well driller license issued by
TCEQ, as required by the Texas Water Well Driller Act.
Q6. Within how many days of completing a water well must a licensed driller
submit the well completion report to TCEQ?
A. 10 days
B. 20 days
, C. 30 days
D. 45 days
E. 60 days
✔ Correct Answer: C. 30 days
EXPERT RATIONALE: Texas regulations require a licensed driller to submit a
completed well record (driller's log/well completion report) to TCEQ within 30 days
of completing a water well.
Q7. What is the minimum age requirement to apply for a Texas Water Well
Driller license?
A. 16 years of age
B. 17 years of age
C. 18 years of age
D. 21 years of age
E. 25 years of age
✔ Correct Answer: C. 18 years of age
EXPERT RATIONALE: Texas law requires that applicants for a water well driller
license be at least 18 years of age at the time of application.
Q8. Which of the following is required to obtain a Texas Water Well Driller
license?
A. A four-year college degree in geology or engineering
B. A letter of recommendation from a groundwater district
C. Passing a written examination administered on behalf of TCEQ
D. At least 10 years of documented drilling experience
2026/2027 – Actual Questions with Verified
Answers, Detailed Rationales & Expert-
Reviewed Study Guide PDF (Latest Updated
Edition)
TEXAS WATER WELL DRILLER LICENSE EXAM PREP 2026/2027 Actual Questions
with Verified Answers | Detailed EXPERT RATIONALE | Expert-Reviewed Study
Guide
• This guide features exam-style multiple-choice questions with verified correct
answers and detailed EXPERT RATIONALE, covering every topic tested on the Texas
Water Well Driller License Exam — from state laws and well construction standards
to hydrogeology, safety, and pump installation.
• For best results, read each question carefully, choose your answer before looking
at the correct option, then study the EXPERT RATIONALE below it to reinforce key
concepts, rules, and Texas-specific regulations.
Q1. Which state agency is responsible for regulating water well drillers and
pump installers in Texas?
A. Texas Department of Agriculture
B. Texas Railroad Commission
C. Texas Commission on Environmental Quality (TCEQ)
D. Texas Department of State Health Services
E. Texas Parks and Wildlife Department
✔ Correct Answer: C. Texas Commission on Environmental Quality (TCEQ)
EXPERT RATIONALE: TCEQ is the state agency responsible for licensing water well
drillers and pump installers and enforcing water well construction standards in
Texas under the Texas Water Well Driller Act.
,Q2. The Texas Water Well Driller Act is codified in which Texas statute?
A. Texas Health and Safety Code, Chapter 341
B. Texas Water Code, Chapter 11
C. Texas Natural Resources Code, Chapter 85
D. Texas Occupations Code, Chapter 1901
E. Texas Administrative Code, Title 30
✔ Correct Answer: D. Texas Occupations Code, Chapter 1901
EXPERT RATIONALE: The Texas Water Well Driller Act, which governs the licensing
and conduct of water well drillers and pump installers, is found in Chapter 1901 of
the Texas Occupations Code.
Q3. How long is a Texas water well driller license valid before it must be
renewed?
A. 1 year
B. 2 years
C. 3 years
D. 4 years
E. 5 years
✔ Correct Answer: B. 2 years
EXPERT RATIONALE: Texas water well driller licenses are valid for a two-year
period and must be renewed biennially to remain in good standing with TCEQ.
Q4. Which chapter of the Texas Administrative Code contains the Water Well
Standards rules adopted by TCEQ?
, A. 30 TAC Chapter 60
B. 30 TAC Chapter 70
C. 30 TAC Chapter 74
D. 30 TAC Chapter 75
E. 30 TAC Chapter 76
✔ Correct Answer: E. 30 TAC Chapter 76
EXPERT RATIONALE: 30 TAC Chapter 76 (Water Well Standards) contains TCEQ's
rules governing the construction, alteration, and plugging of water wells in Texas
and is the primary regulatory reference for licensed drillers.
Q5. A person wishing to drill a water well in Texas for compensation must
hold:
A. A business permit from the county clerk
B. A valid water well driller license issued by TCEQ
C. An environmental impact certificate from the EPA
D. A groundwater district membership card only
E. A federal bureau of land management drilling permit
✔ Correct Answer: B. A valid water well driller license issued by TCEQ
EXPERT RATIONALE: Any person who drills, deepens, repairs, or alters a water well
in Texas for compensation must hold a valid water well driller license issued by
TCEQ, as required by the Texas Water Well Driller Act.
Q6. Within how many days of completing a water well must a licensed driller
submit the well completion report to TCEQ?
A. 10 days
B. 20 days
, C. 30 days
D. 45 days
E. 60 days
✔ Correct Answer: C. 30 days
EXPERT RATIONALE: Texas regulations require a licensed driller to submit a
completed well record (driller's log/well completion report) to TCEQ within 30 days
of completing a water well.
Q7. What is the minimum age requirement to apply for a Texas Water Well
Driller license?
A. 16 years of age
B. 17 years of age
C. 18 years of age
D. 21 years of age
E. 25 years of age
✔ Correct Answer: C. 18 years of age
EXPERT RATIONALE: Texas law requires that applicants for a water well driller
license be at least 18 years of age at the time of application.
Q8. Which of the following is required to obtain a Texas Water Well Driller
license?
A. A four-year college degree in geology or engineering
B. A letter of recommendation from a groundwater district
C. Passing a written examination administered on behalf of TCEQ
D. At least 10 years of documented drilling experience
