100+ Free TX Well Driller Practice Questions

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What is the initial application fee for a Texas apprentice well driller?

$115

$65

$25

$200

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Free Well Driller Practice Test by State 2026: 2,500+ Questions21 min read

2026 Statistics

Key Facts: TX Well Driller Exam

70%

Passing Score

State DNR

100 Q

Practice Questions

OpenExamPrep

2 hrs

Exam Time

State DNR

8 hrs

CE Per Cycle

State DNR

$379

License Fee

LicenseMap 2026

Texas requires well drillers and pump installers to pass a state licensing exam covering well construction standards, groundwater protection, and TDLR regulations.

Sample TX Well Driller Practice Questions

Try these sample questions to test your TX Well Driller exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In Texas, which state agency regulates private water well drilling and pump installation?

A.Texas Commission on Environmental Quality (TCEQ)

B.Texas Department of Licensing and Regulation (TDLR)

C.Texas Water Development Board (TWDB)

D.Texas Railroad Commission

Explanation: TDLR regulates private water well drilling and pump installation in Texas under Occupations Code Chapters 1901 (Water Well Drillers) and 1902 (Water Well Pump Installers). TCEQ regulates public water supply well construction separately.

2What are the two separate Texas Occupations Code chapters governing well drillers and pump installers?

A.Chapters 1801 and 1802

B.Chapters 1901 and 1902

C.Chapters 2001 and 2002

D.Chapters 51 and 52

Explanation: Texas Occupations Code Chapter 1901 governs Water Well Drillers and Chapter 1902 governs Water Well Pump Installers. These are separate licensing programs, though a combination license is available at a discounted fee.

3What is the Texas Administrative Code chapter containing the rules for water well drillers and pump installers?

A.Title 16 TAC Chapter 51

B.Title 16 TAC Chapter 60

C.Title 16 TAC Chapter 76

D.Title 30 TAC Chapter 290

Explanation: Title 16, Texas Administrative Code, Chapter 76 contains the administrative rules for Water Well Drillers and Water Well Pump Installers. Chapter 51 is the TDLR enabling law, and Chapter 60 contains TDLR procedural rules.

4What is the initial license fee for a Texas Water Well Driller license?

A.$200

B.$300

C.$430

D.$650

Explanation: The initial license fee for a Texas Water Well Driller is $430 for a 2-year term. The same $430 fee applies to the Pump Installer license. A combination Driller and Installer license is $650 initially.

5What is the fee for a combination Water Well Driller and Pump Installer license in Texas?

A.$430

B.$500

C.$650

D.$860

Explanation: A combination Water Well Driller and Pump Installer license costs $650 for the initial application (a discount compared to $430 + $430 = $860 for separate licenses). The renewal fee for the combination license is $430.

6How many years of supervised experience are required to apply for a Texas well driller or pump installer license?

A.1 year

B.2 years

C.3 years

D.5 years

Explanation: Under 16 TAC §76.21, an applicant must have a minimum of 2 years of experience drilling wells or installing pumps under the supervision of a licensed Well Driller or Pump Installer to apply for a license.

7Texas uses an endorsement system for driller licenses. What endorsement code represents Water Wells?

A.M

B.W

C.N

D.D

Explanation: The Water Wells endorsement is coded 'W' in Texas. Other endorsement codes are: M = Monitor Wells, N = Injection Wells, D = Dewatering Wells, C = Closed Loop Geothermal Wells, and A = Master Driller (all endorsements).

8How many water wells must an applicant have drilled to qualify for the Water Wells (W) endorsement in Texas?

A.5 wells

B.10 wells

C.15 wells

D.25 wells

Explanation: Under 16 TAC §76.21(d)(1)(A), an applicant must have drilled a minimum of 15 water wells to qualify for the Water Wells (W) endorsement. The qualifying drillings must be documented on the Experience Verification Form.

9How many wells must be drilled to qualify for the Monitor Wells (M) endorsement in Texas?

A.15 wells

B.25 wells

C.50 wells

D.100 wells

Explanation: The Monitor Wells (M) endorsement requires a minimum of 50 qualifying wells drilled. The same 50-well minimum applies to Injection Wells (N), Dewatering Wells (D), and Closed Loop Geothermal Wells (C) endorsements.

10What does the Master Driller (A) endorsement represent in Texas?

A.A driller with 30 years of experience

B.A driller who holds all individual endorsement types (W, M, N, D, C)

C.A driller who has drilled more than 1,000 wells

D.A driller who teaches licensing courses

Explanation: The Master Driller (A) endorsement indicates that a driller holds all individual endorsement types: Water Wells (W), Monitor Wells (M), Injection Wells (N), Dewatering Wells (D), and Closed Loop Geothermal Wells (C). This requires a total of 215 qualifying drillings across all categories.

About the TX Well Driller Exam

The Texas well driller exam covers state well construction standards, casing and grouting requirements, pump installation, groundwater protection, TDLR licensing regulations, well abandonment procedures, and professional practice under Texas water well drilling rules.

Questions

100 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$379 (Texas Department of Licensing and Regulation)

TX Well Driller Exam Content Outline

25%

Well Construction

Casing, grouting, well design, drilling methods, well development

20%

Pump Installation

Pump types, sizing, electrical connections, pressure systems, maintenance

20%

Regulations

TDLR licensing, well standards, reporting requirements, fees, CE requirements

20%

Groundwater

Aquifer protection, water quality, contamination prevention, Texas hydrogeology

15%

Professional Practice

Well logs, abandonment procedures, safety, contracts, client relations

How to Pass the TX Well Driller Exam

What You Need to Know

Passing score: 70%
Exam length: 100 questions
Time limit: 2 hours
Exam fee: $379

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

TX Well Driller Study Tips from Top Performers

1Master Texas' well construction standards and casing requirements under TDLR rules

2Understand proper grouting procedures for Texas' diverse geological formations

3Study pump types, sizing calculations, and electrical connection requirements

4Know groundwater protection measures for the Edwards and Ogallala Aquifers

5Review well log documentation requirements and abandonment procedures

Frequently Asked Questions

What does the Texas well driller exam cover?

The exam covers well construction standards, casing and grouting requirements, pump installation, groundwater protection, Texas TDLR regulations, and professional practice.

What is the passing score for the TX well driller exam?

A minimum score of 70% is required to pass the Texas well driller licensing examination.

What experience is required for a Texas well driller license?

Texas requires experience working under a licensed driller before you can sit for the licensing exam. Contact the TDLR for current requirements.

How often must the Texas well driller license be renewed?

License renewal requirements include completing continuing education hours. Contact the TDLR for the current renewal cycle and CE requirements.