Page 1 of 151
Texas Water Well Driller License test ACTUAL
QUESTIONS AND ANSWERS LATEST UPDATE THIS
YEAR
Texas Water Well Driller License Exam – Coverage Summary & Exam-Relevant Questions
Based on the Texas Occupations Code Chapters 1901 and 1902 (Water Well Drillers and Pump
Installers) and 16 Texas Administrative Code Chapter 76, the Water Well Driller license exam assesses
knowledge required for safe well drilling and groundwater protection in Texas.
Exam Coverage Summary
Domain Key Topics
Regulatory Framework & TDLR jurisdiction, Texas Water Code Chapter 190, license types and endorsements,
Licensing experience requirements (2 years/4,000 hours), passing score (70%)
Casing materials (steel/PVC), grout types and annular space (1.5 inch minimum), well scre
Well Construction
gravel packs, sanitary well caps
Property lines (5 feet), septic systems (100 feet), petroleum wells (300 feet), landfills (500
Well Siting & Setbacks
feet)
Drilling Methods & Rotary drilling (mud rotary, air rotary), cable tool (percussion), casing installation, drilling
Equipment fluids
Unconfined vs. confined aquifers, artesian conditions, water-bearing formations, fresh wa
Aquifers & Groundwater
protection
Well Abandonment &
Full-depth sealing requirements, plugging reports (30 days), bentonite/cement materials
Plugging
Reporting & Well Construction Report (WWD-001 - 60 days), Notice of Intent (before drilling), record
Recordkeeping retention (5 years)
Drilling rig safety equipment, licensing and insurance requirements, penalties for unlicens
Safety & Compliance
activity
Master Driller
All five endorsements + general exam, 2-year experience, CE requirements (8 hours)
Requirements
Continuing Education 8 hours biennially, including statutes and rules
Exam Facts :
• Governing Agency: Texas Department of Licensing and Regulation (TDLR)
• Statutory Authority: Texas Occupations Code Chapters 1901 and 1902
• Minimum Age: 18 years
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• Experience Required: 2 years (4,000 hours) supervised
• Passing Score: 70%
• License Validity: 2 years (effective for licenses issued on or after January 1, 2024)
• Application Fee: $215 (Well Driller) / $325 (Combination)
• Continuing Education: 8 hours biennially
Section 1: Regulations, Licensing & Administration (Questions 1-50)
Question 1: A person in Texas wishes to drill water wells professionally. Which agency is primarily
responsible for licensing water well drillers and pump installers?
A) Texas Commission on Environmental Quality (TCEQ)
B) Texas Department of Licensing and Regulation (TDLR)
C) Texas Water Development Board (TWDB)
D) Railroad Commission of Texas
Answer: B
TDLR administers the Well Driller Licensing Program under Texas Occupations Code Chapter 1902 and 16
Texas Administrative Code Chapter 76. TCEQ oversees water quality, and TWDB manages water
resources data.
Question 2: The Texas Water Well Driller's Act is located in which section of Texas law?
A) Texas Water Code, Chapter 190
B) Texas Occupations Code, Chapter 1901
, Page 3 of 151
C) Texas Administrative Code, Title 30
D) Federal Safe Drinking Water Act
Answer: A
Texas Water Code, Chapter 190 specifically governs water well drilling activities in Texas, establishing
licensing requirements and construction standards.
Question 3: A 17-year-old applicant has completed the required training and wishes to take the Well
Driller exam. Can this applicant take the exam?
A) Yes, if they have a high school diploma
B) No, applicants must be at least 18 years of age
C) Yes, with parental consent
D) No, the minimum age is 21 years
Answer: B
Texas Occupations Code §1902.102 requires applicants to be at least 18 years of age to obtain a well
driller license.
, Page 4 of 151
Question 4: What is the passing score required for the Texas Water Well Driller examination?
A) 60%
B) 65%
C) 70%
D) 75%
Answer: C
Texas Administrative Code §76.23 specifies that a passing grade for the examination is 70%.
Question 5: How long is a Texas Water Well Driller license valid before renewal for a license issued after
January 1, 2024?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Texas Water Well Driller License test ACTUAL
QUESTIONS AND ANSWERS LATEST UPDATE THIS
YEAR
Texas Water Well Driller License Exam – Coverage Summary & Exam-Relevant Questions
Based on the Texas Occupations Code Chapters 1901 and 1902 (Water Well Drillers and Pump
Installers) and 16 Texas Administrative Code Chapter 76, the Water Well Driller license exam assesses
knowledge required for safe well drilling and groundwater protection in Texas.
Exam Coverage Summary
Domain Key Topics
Regulatory Framework & TDLR jurisdiction, Texas Water Code Chapter 190, license types and endorsements,
Licensing experience requirements (2 years/4,000 hours), passing score (70%)
Casing materials (steel/PVC), grout types and annular space (1.5 inch minimum), well scre
Well Construction
gravel packs, sanitary well caps
Property lines (5 feet), septic systems (100 feet), petroleum wells (300 feet), landfills (500
Well Siting & Setbacks
feet)
Drilling Methods & Rotary drilling (mud rotary, air rotary), cable tool (percussion), casing installation, drilling
Equipment fluids
Unconfined vs. confined aquifers, artesian conditions, water-bearing formations, fresh wa
Aquifers & Groundwater
protection
Well Abandonment &
Full-depth sealing requirements, plugging reports (30 days), bentonite/cement materials
Plugging
Reporting & Well Construction Report (WWD-001 - 60 days), Notice of Intent (before drilling), record
Recordkeeping retention (5 years)
Drilling rig safety equipment, licensing and insurance requirements, penalties for unlicens
Safety & Compliance
activity
Master Driller
All five endorsements + general exam, 2-year experience, CE requirements (8 hours)
Requirements
Continuing Education 8 hours biennially, including statutes and rules
Exam Facts :
• Governing Agency: Texas Department of Licensing and Regulation (TDLR)
• Statutory Authority: Texas Occupations Code Chapters 1901 and 1902
• Minimum Age: 18 years
, Page 2 of 151
• Experience Required: 2 years (4,000 hours) supervised
• Passing Score: 70%
• License Validity: 2 years (effective for licenses issued on or after January 1, 2024)
• Application Fee: $215 (Well Driller) / $325 (Combination)
• Continuing Education: 8 hours biennially
Section 1: Regulations, Licensing & Administration (Questions 1-50)
Question 1: A person in Texas wishes to drill water wells professionally. Which agency is primarily
responsible for licensing water well drillers and pump installers?
A) Texas Commission on Environmental Quality (TCEQ)
B) Texas Department of Licensing and Regulation (TDLR)
C) Texas Water Development Board (TWDB)
D) Railroad Commission of Texas
Answer: B
TDLR administers the Well Driller Licensing Program under Texas Occupations Code Chapter 1902 and 16
Texas Administrative Code Chapter 76. TCEQ oversees water quality, and TWDB manages water
resources data.
Question 2: The Texas Water Well Driller's Act is located in which section of Texas law?
A) Texas Water Code, Chapter 190
B) Texas Occupations Code, Chapter 1901
, Page 3 of 151
C) Texas Administrative Code, Title 30
D) Federal Safe Drinking Water Act
Answer: A
Texas Water Code, Chapter 190 specifically governs water well drilling activities in Texas, establishing
licensing requirements and construction standards.
Question 3: A 17-year-old applicant has completed the required training and wishes to take the Well
Driller exam. Can this applicant take the exam?
A) Yes, if they have a high school diploma
B) No, applicants must be at least 18 years of age
C) Yes, with parental consent
D) No, the minimum age is 21 years
Answer: B
Texas Occupations Code §1902.102 requires applicants to be at least 18 years of age to obtain a well
driller license.
, Page 4 of 151
Question 4: What is the passing score required for the Texas Water Well Driller examination?
A) 60%
B) 65%
C) 70%
D) 75%
Answer: C
Texas Administrative Code §76.23 specifies that a passing grade for the examination is 70%.
Question 5: How long is a Texas Water Well Driller license valid before renewal for a license issued after
January 1, 2024?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
