Page 1 of 59
TEXAS WATER WELL DRILLER LICENSE
PRACTICE EXAM | QUESTIONS AND VERIFIED
ANSWERS | ALREADY GRADED A+ | Plus
RATIONALES | BRAND NEW!
Course Name: Texas Water Well Driller License Practice Exam
Subject: Water Well Drilling, Groundwater Science, and Regulatory
Compliance
SECTION 1: QUESTIONS 1–50
1. Which state agency is primarily responsible for administering the
licensing program for water well drillers and pump installers in Texas?
A. Texas Commission on Environmental Quality (TCEQ)
B. Texas Water Development Board (TWDB)
C. Texas Department of Licensing and Regulation (TDLR)
D. Railroad Commission of Texas
❖ Rationale: TDLR administers the Water Well Drillers and Pump
Installers program under Texas Occupations Code Chapters 1901
and 1902 and 16 Texas Administrative Code Chapter 76. TCEQ
handles water quality, and TWDB manages water data.
,Page 2 of 59
2. A driller has been supervising operations under a licensed driller for
18 months and has documented 12 water well drillings. Is this
applicant eligible to take the General Water Well Driller exam?
A. Yes, because they have over one year of experience.
B. Yes, because they have completed more than 10 drillings.
C. No, because the applicant must have a minimum of two years (24
months) of experience.
D. No, because the applicant must have 20 qualifying drillings for the
water well endorsement.
❖ Rationale: Under 16 TAC §76.21(a), an applicant must have two
years of experience drilling wells or installing pumps to apply for a
license. The 12 drillings would qualify for the Water Well (W)
endorsement only after the general experience requirement is met.
3. What is the passing score required on the Texas Water Well Driller
licensing examination?
A. 65%
B. 70%
C. 75%
D. 80%
❖ Rationale: Texas Administrative Code §76.23(c) specifies that a
passing grade on the licensing exam is 70%.
4. A licensed driller is preparing to renew their license that expires on
April 1, 2026. How many total hours of continuing education are
required for this renewal cycle?
A. 4 hours
B. 6 hours
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C. 8 hours
D. 10 hours
❖ Rationale: As of March 1, 2025, licensees are issued two-year
licenses and must complete 8 hours of continuing education,
including 1 hour dedicated to Water Well Driller/Pump Installer
statutes and rules .
5. Which of the following correctly describes the experience
requirements for a Master Driller (A) endorsement?
A. The applicant must have 100 qualifying drillings of any type.
B. The applicant must hold all individual endorsements (Water,
Monitor, Injection, Dewatering, and Closed Loop Geothermal).
C. The applicant must have drilled at least 50 monitor wells and 50
water wells.
D. The applicant must have five years of experience and 215 total
drillings.
❖ Rationale: 16 TAC §76.21(e) states that an applicant who has all
the endorsements in subsection (d)(1)(A) through (E) is qualified to
be a master driller. The endorsements required are Water Wells,
Monitor Wells, Injection Wells, Dewatering Wells, and Closed Loop
Geothermal Wells .
6. A driller is constructing a well on a property where a septic system
absorption field is located 80 feet away. The driller plans to cement
the annular space with positive displacement technique to 100 feet. Is
this compliant with Texas rules?
A. No, because the well must be at least 150 feet from any septic
system.
B. Yes, because the rule allows a reduction to 50 feet if the well is
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cemented to 100 feet to surface.
C. No, because the minimum distance is always 100 feet.
D. Yes, because septic systems are not a regulated source of
contamination.
❖ Rationale: 16 TAC §76.100(a) requires 100 feet from a septic
system absorption field. However, subsection (b)(1) allows this
distance to be decreased to a minimum of 50 feet if the well is
cemented with positive displacement technique to a minimum of
100 feet to surface .
7. What is the primary purpose of the Texas Water Well Driller’s Act
(Occupations Code Chapters 1901 and 1902)?
A. To regulate the price of water sold from private wells.
B. To establish standards for water well drilling and protect
groundwater resources.
C. To license pump manufacturers and equipment distributors.
D. To manage surface water rights and reservoir construction.
❖ Rationale: The Act ensures safe and legal groundwater well
construction to protect the state's aquifers and public health. It
establishes licensing requirements, technical standards, and
enforcement mechanisms .
8. Within how many days must a Well Construction Report (Form
WWD-001) be submitted after a well is completed?
A. 15 days
B. 30 days
C. 45 days
D. 60 days
TEXAS WATER WELL DRILLER LICENSE
PRACTICE EXAM | QUESTIONS AND VERIFIED
ANSWERS | ALREADY GRADED A+ | Plus
RATIONALES | BRAND NEW!
Course Name: Texas Water Well Driller License Practice Exam
Subject: Water Well Drilling, Groundwater Science, and Regulatory
Compliance
SECTION 1: QUESTIONS 1–50
1. Which state agency is primarily responsible for administering the
licensing program for water well drillers and pump installers in Texas?
A. Texas Commission on Environmental Quality (TCEQ)
B. Texas Water Development Board (TWDB)
C. Texas Department of Licensing and Regulation (TDLR)
D. Railroad Commission of Texas
❖ Rationale: TDLR administers the Water Well Drillers and Pump
Installers program under Texas Occupations Code Chapters 1901
and 1902 and 16 Texas Administrative Code Chapter 76. TCEQ
handles water quality, and TWDB manages water data.
,Page 2 of 59
2. A driller has been supervising operations under a licensed driller for
18 months and has documented 12 water well drillings. Is this
applicant eligible to take the General Water Well Driller exam?
A. Yes, because they have over one year of experience.
B. Yes, because they have completed more than 10 drillings.
C. No, because the applicant must have a minimum of two years (24
months) of experience.
D. No, because the applicant must have 20 qualifying drillings for the
water well endorsement.
❖ Rationale: Under 16 TAC §76.21(a), an applicant must have two
years of experience drilling wells or installing pumps to apply for a
license. The 12 drillings would qualify for the Water Well (W)
endorsement only after the general experience requirement is met.
3. What is the passing score required on the Texas Water Well Driller
licensing examination?
A. 65%
B. 70%
C. 75%
D. 80%
❖ Rationale: Texas Administrative Code §76.23(c) specifies that a
passing grade on the licensing exam is 70%.
4. A licensed driller is preparing to renew their license that expires on
April 1, 2026. How many total hours of continuing education are
required for this renewal cycle?
A. 4 hours
B. 6 hours
,Page 3 of 59
C. 8 hours
D. 10 hours
❖ Rationale: As of March 1, 2025, licensees are issued two-year
licenses and must complete 8 hours of continuing education,
including 1 hour dedicated to Water Well Driller/Pump Installer
statutes and rules .
5. Which of the following correctly describes the experience
requirements for a Master Driller (A) endorsement?
A. The applicant must have 100 qualifying drillings of any type.
B. The applicant must hold all individual endorsements (Water,
Monitor, Injection, Dewatering, and Closed Loop Geothermal).
C. The applicant must have drilled at least 50 monitor wells and 50
water wells.
D. The applicant must have five years of experience and 215 total
drillings.
❖ Rationale: 16 TAC §76.21(e) states that an applicant who has all
the endorsements in subsection (d)(1)(A) through (E) is qualified to
be a master driller. The endorsements required are Water Wells,
Monitor Wells, Injection Wells, Dewatering Wells, and Closed Loop
Geothermal Wells .
6. A driller is constructing a well on a property where a septic system
absorption field is located 80 feet away. The driller plans to cement
the annular space with positive displacement technique to 100 feet. Is
this compliant with Texas rules?
A. No, because the well must be at least 150 feet from any septic
system.
B. Yes, because the rule allows a reduction to 50 feet if the well is
, Page 4 of 59
cemented to 100 feet to surface.
C. No, because the minimum distance is always 100 feet.
D. Yes, because septic systems are not a regulated source of
contamination.
❖ Rationale: 16 TAC §76.100(a) requires 100 feet from a septic
system absorption field. However, subsection (b)(1) allows this
distance to be decreased to a minimum of 50 feet if the well is
cemented with positive displacement technique to a minimum of
100 feet to surface .
7. What is the primary purpose of the Texas Water Well Driller’s Act
(Occupations Code Chapters 1901 and 1902)?
A. To regulate the price of water sold from private wells.
B. To establish standards for water well drilling and protect
groundwater resources.
C. To license pump manufacturers and equipment distributors.
D. To manage surface water rights and reservoir construction.
❖ Rationale: The Act ensures safe and legal groundwater well
construction to protect the state's aquifers and public health. It
establishes licensing requirements, technical standards, and
enforcement mechanisms .
8. Within how many days must a Well Construction Report (Form
WWD-001) be submitted after a well is completed?
A. 15 days
B. 30 days
C. 45 days
D. 60 days
