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100+ Free IA Well Driller Practice Questions

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What is the proper way to store casing and pipe on an Iowa drilling job site?

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

Key Facts: IA 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

$200

License Fee

LicenseMap 2026

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

Sample IA Well Driller Practice Questions

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

1Which Iowa state agency is responsible for certifying water well contractors?
A.Iowa Department of Agriculture
B.Iowa Department of Natural Resources (DNR)
C.Iowa Department of Public Health
D.Iowa Commerce Commission
Explanation: The Iowa Department of Natural Resources (DNR) is responsible for certifying water well contractors (well drillers, pump installers, and well plugging contractors) under Iowa Code 455B and Iowa Administrative Code 567 Chapter 82.
2What Iowa Code chapter establishes the legal framework for water well construction regulation?
A.Iowa Code 455A
B.Iowa Code 455B
C.Iowa Code 455C
D.Iowa Code 456
Explanation: Iowa Code Chapter 455B establishes the legal framework for water well construction, including Sections 455B.171 (Definitions), 455B.187 (Water Well Construction), 455B.188 (Emergency Replacement), 455B.190 (Abandoned Wells), and 455B.190A (Well Contractor Certification Program).
3Which Iowa Administrative Code chapter governs well contractor certification?
A.567 IAC Chapter 38
B.567 IAC Chapter 49
C.567 IAC Chapter 82
D.567 IAC Chapter 43
Explanation: Iowa Administrative Code 567 Chapter 82 governs Well Contractor Certification. Chapter 38 covers well permitting, Chapter 49 covers nonpublic water supply wells construction standards, and Chapter 43 covers public water supply wells.
4What are the three types of well contractor certifications available in Iowa?
A.Water well driller, pump installer, and inspector
B.Well driller, pump installer, and well plugging contractor
C.Master driller, journeyman driller, and apprentice
D.Commercial driller, residential driller, and municipal driller
Explanation: Iowa offers three types of well contractor certifications: Certified Well Contractor (well driller), Certified Well Contractor (pump installer), and Well Plugging Contractor. Each requires different levels of experience and examination.
5How many years of employment and hours of work experience are required for a well driller certification in Iowa?
A.1 year and 500 hours
B.2 years and 1,000 hours
C.2 years and 2,000 hours
D.3 years and 3,000 hours
Explanation: Under 567 IAC 82, a Certified Well Contractor (well driller) must have two years' employment and 2,000 hours of work experience in Class 1 and Class 2 well construction.
6How many years of employment and hours of work experience are required for a pump installer certification in Iowa?
A.1 year and 500 hours
B.2 years and 1,000 hours
C.2 years and 2,000 hours
D.3 years and 3,000 hours
Explanation: Under 567 IAC 82, a Certified Well Contractor (pump installer) must have two years' employment and 1,000 hours of work experience in the installation, repair, and maintenance of water systems.
7What is the examination fee per test for Iowa well contractor certification?
A.$25
B.$50
C.$75
D.$100
Explanation: Under 567 IAC 82.5(1), the examination fee is $50 for each examination. This applies to the fundamentals exam, well drillers exam, pump installers exam, and well plugging exam.
8What is the fee for an oral examination in Iowa?
A.$50
B.$75
C.$100
D.$150
Explanation: Under 567 IAC 82.5(2), the fee for each oral examination is $100. Oral examinations may be available for applicants who have difficulty with written examinations.
9How many CEUs (contact hours) must a certified well driller in Iowa earn during each two-year period?
A.8 contact hours
B.10 contact hours
C.12 contact hours
D.16 contact hours
Explanation: Under 567 IAC 82.8(1)(a), a certified well contractor holding well driller certification or both well driller and pump installer certifications must earn 1.6 CEUs or 16 contact hours during each two-year period (April 1 through March 31 of even-numbered years).
10How many CEUs (contact hours) must a pump installer ONLY certification holder earn per two-year period in Iowa?
A.8 contact hours
B.10 contact hours
C.16 contact hours
D.20 contact hours
Explanation: Under 567 IAC 82.8(1)(b), a certified well contractor holding only pump installer certification must earn 1.0 CEU or 10 contact hours during each two-year period.

About the IA Well Driller Exam

The Iowa well driller exam covers state well construction standards, casing and grouting requirements, pump installation, groundwater protection, Iowa DNR licensing regulations, well abandonment procedures, and professional practice under Iowa well standards.

Questions

100 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$200 (Iowa Department of Natural Resources)

IA 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

Iowa DNR licensing, well standards, reporting requirements, fees, CE requirements

20%

Groundwater

Aquifer protection, water quality, contamination prevention, Iowa geology

15%

Professional Practice

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

How to Pass the IA Well Driller Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 2 hours
  • Exam fee: $200

Keys to Passing

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

IA Well Driller Study Tips from Top Performers

1Master Iowa's well construction standards and casing requirements under DNR rules
2Understand proper grouting procedures and materials for Iowa's glacial drift geology
3Study pump types, sizing calculations, and electrical connection requirements
4Know groundwater protection measures for Iowa's major aquifer systems
5Review well log documentation requirements and abandonment procedures

Frequently Asked Questions

What does the Iowa well driller exam cover?

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

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

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

What experience is required for an Iowa well driller license?

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

How often must the Iowa well driller license be renewed?

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