100+ Free WI Well Driller Practice Questions

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In Wisconsin, what is the definition of 'pump installing' under s. 280.01(5), Stats.?

Only installing pressure tanks

Only connecting electrical wires to a pump

The placement and preparation for operation of equipment and materials used in withdrawing water from a well for consumption or use, including making entrance to the well and establishing seals

Only installing submersible pumps

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

2026 Statistics

Key Facts: WI 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

$275

License Fee

LicenseMap 2026

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

Sample WI Well Driller Practice Questions

Try these sample questions to test your WI 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 Wisconsin, which state agency administers well driller and pump installer licensing?

A.Department of Commerce

B.Department of Natural Resources (DNR)

C.Department of Health Services

D.Department of Safety and Professional Services

Explanation: The Wisconsin Department of Natural Resources (DNR), through its Private Water Supply Section of the Drinking Water and Groundwater Program, administers licensing for well drillers, pump installers, and heat exchange drillers. Licensing authority is established under s. 280.15, Wis. Stats.

2What is the primary Wisconsin Administrative Code chapter governing well construction and pump installation standards?

A.NR 146

B.NR 812

C.NR 151

D.NR 216

Explanation: Chapter NR 812, Wisconsin Administrative Code (the Well and Pump Code), is the primary regulation governing well construction, pump installation, and water treatment standards for private water supplies in Wisconsin. NR 146 covers licensing requirements separately.

3What Wisconsin Administrative Code chapter governs well driller and pump installer licensing requirements?

A.NR 111

B.NR 146

C.NR 812

D.NR 500

Explanation: Chapter NR 146, Wisconsin Administrative Code, establishes the licensing requirements for pump installers, water well drillers, and heat exchange drillers. NR 146 covers exam requirements, license application processes, and continuing education. NR 812 covers construction standards.

4Under NR 812.10, who is exempt from needing a well driller's license to construct a well in Wisconsin?

A.No one is exempt

B.An individual performing well drilling on real estate they own or lease

C.Any plumber

D.Any contractor with a general license

Explanation: Under NR 812.10(1)(a), an individual performing well drilling on real estate owned or leased by that individual is exempt from the licensing requirement. However, they must still comply with all other construction requirements of NR 812 and file a Well Construction Report.

5In Wisconsin, what is the definition of 'pump installing' under s. 280.01(5), Stats.?

A.Only installing submersible pumps

B.The placement and preparation for operation of equipment and materials used in withdrawing water from a well for consumption or use, including making entrance to the well and establishing seals

C.Only connecting electrical wires to a pump

D.Only installing pressure tanks

Explanation: Wisconsin Statutes define pump installing broadly as the industry and procedure employed in the placement and preparation for operation of equipment and materials utilized in withdrawing or obtaining water from a well for consumption or use, including all construction involved in making entrance to the well and establishing seals.

6What is NOT considered 'pump installing' under Wisconsin law?

A.Replacing a well cap with a different cap

B.Installing a pitless adapter

C.Installation of a temporary test pump by a well driller for determining well capacity or water quality

D.Replacing a pressure tank

Explanation: Under NR 812, installation of a temporary test pump by a well driller for the purpose of determining well capacity or water quality is NOT considered pump installing. Also, opening a well cap to inspect or chlorinate is not pump installing unless the cap is replaced with a different one.

7Under NR 812.27, what must a pump installer have before performing pump work on a potable water supply well?

A.A general contractor's license

B.A valid pump installer license in accordance with ch. NR 146

C.A plumber's license only

D.No license is required

Explanation: Under NR 812.27(1), a person who performs pump installing work on a potable water supply well is required to obtain a license in accordance with the requirements under ch. NR 146 prior to performing such work.

8What is the exam application fee for a Wisconsin pump installer license?

A.$10

B.$25

C.$50

D.$100

Explanation: The exam application fee for a pump installer license in Wisconsin is $25. For water well drillers, the exam application fee is $50. Applications must be mailed to the DNR Operator Certification program.

9What is the exam application fee for a Wisconsin water well driller license?

A.$25

B.$50

C.$75

D.$100

Explanation: The exam application fee for a water well driller license in Wisconsin is $50. Only drillers who have met license application requirements and have been granted exam eligibility by the department will be provided an exam application.

10How are Wisconsin well driller licensing exams administered?

A.Online at home

B.In-person, proctored by the DNR's Operator Certification program at a DNR Test Center

C.By mail

D.By phone

Explanation: Wisconsin well driller and pump installer licensing exams are proctored in-person by the DNR's Operator Certification program at designated DNR Test Centers. Exams are 'open code reference,' meaning applicants may reference the relevant code during the exam.

About the WI Well Driller Exam

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

Questions

100 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$275 (Wisconsin Department of Natural Resources)

WI 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

WDNR licensing, well code, reporting requirements, fees, CE requirements

20%

Groundwater

Aquifer protection, water quality, contamination prevention, Wisconsin geology

15%

Professional Practice

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

How to Pass the WI Well Driller Exam

What You Need to Know

Passing score: 70%
Exam length: 100 questions
Time limit: 2 hours
Exam fee: $275

Keys to Passing

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

WI Well Driller Study Tips from Top Performers

1Master Wisconsin's well construction code and casing requirements under WDNR rules

2Understand proper grouting procedures for Wisconsin's glacial and sandstone geology

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

4Know groundwater protection measures for Wisconsin's major aquifer systems

5Review well log documentation requirements and abandonment procedures

Frequently Asked Questions

What does the Wisconsin well driller exam cover?

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

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

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

What experience is required for a Wisconsin well driller license?

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

How often must the Wisconsin well driller license be renewed?

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