100+ Free MN Well Driller Practice Questions

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What types of wells may a licensed well contractor construct in Minnesota?

Water wells, dewatering wells, drive point wells, dug wells, monitoring wells, environmental bore holes, elevator borings, and geothermal devices

Only geothermal wells

Only water supply wells

Only monitoring wells

to track

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

2026 Statistics

Key Facts: MN 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

Varies

License Fee

LicenseMap 2026

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

Sample MN Well Driller Practice Questions

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

1Under Minnesota law, which agency licenses well drillers and boring contractors?

A.Minnesota Department of Health (MDH)

B.Minnesota Pollution Control Agency (MPCA)

C.Minnesota Department of Natural Resources (DNR)

D.Minnesota Department of Labor and Industry

Explanation: The Minnesota Department of Health (MDH), Well Management Section, is responsible for licensing well contractors, limited well/boring contractors, and certifying their representatives under Minnesota Statutes Chapter 103I and Minnesota Rules Chapter 4725.

2What Minnesota statute governs well contractor licensing?

A.Minnesota Statutes Chapter 103I

B.Minnesota Statutes Chapter 144

C.Minnesota Statutes Chapter 116

D.Minnesota Statutes Chapter 299

Explanation: Minnesota Statutes Chapter 103I establishes the authority for well contractor licensing, well construction standards, and the regulation of wells and borings in the state. Administrative rules implementing the statute are found in Minnesota Rules Chapter 4725.

3What Minnesota Rules chapter contains the Water Well Construction Code?

A.Chapter 4725

B.Chapter 4720

C.Chapter 7080

D.Chapter 7150

Explanation: Minnesota Rules Chapter 4725 contains the comprehensive Water Well Construction Code, covering licensing, construction standards, grouting, casing, well sealing, pumps, and all aspects of well construction and maintenance in the state.

4How many years of experience are required for a well contractor license in Minnesota?

A.4 years with at least 10 wells/year and 1,000 hours/year

B.2 years

C.3 years

D.6 years

Explanation: Under Minn. R. 4725.0650, an applicant for a well contractor license must have 4 years of experience, each year consisting of personally drilling at least 10 water-supply wells and working at least 1,000 hours drilling, sealing, and installing pumps. Prior to 2006, 5 wells/year was the minimum.

5How many years of experience are required for a limited pump, pitless, and screen contractor license in Minnesota?

A.2 years with 1,000 hours/year and 20 installations

B.3 years

C.4 years

D.1 year

Explanation: Per Minn. R. 4725.0650, a limited pump/pitless/screen contractor license requires 2 years of experience, each year consisting of 1,000 hours of work. The applicant must have personally worked on 20 installations of pumps, pitless units, screens, or related equipment.

6What is the annual licensing period for Minnesota well contractors?

A.February 1 through January 31

B.January 1 through December 31

C.July 1 through June 30

D.April 1 through March 31

Explanation: Minnesota well contractor licenses are issued on an annual basis, running from February 1 through January 31 of the following year. License renewal applications must be submitted before the expiration date.

7How many types of licenses does MDH issue for well and boring contractors?

A.Eight different types, from full well contractor to limited specialty licenses

B.Two types only

C.Five types

D.Twelve types

Explanation: MDH issues eight different types of licenses ranging from the full well contractor license (most comprehensive) to more limited or specialty licenses such as pump/pitless/screen contractor, well sealing contractor, environmental well contractor, and bored geothermal heat exchanger contractor.

8What is a 'certified representative' in Minnesota's well contractor licensing system?

A.The individual who meets qualification requirements and passes an exam, acting on behalf of the licensed company

B.Any employee of the licensed contractor

C.The business owner regardless of qualifications

D.A state inspector

Explanation: In Minnesota, MDH licenses the company and certifies the individual (certified representative) who meets the qualification requirements and passes an exam. The certified representative is the person who has demonstrated competency and acts on behalf of the licensed contractor.

9What notification is required before constructing a water-supply well in Minnesota?

A.A well notification must be submitted to MDH with a $325 fee before drilling begins

B.No notification is required

C.Only verbal notice to the local government

D.A notification to the DNR only

Explanation: Per Minn. R. 4725.1820, before constructing a water-supply well, a notification must be submitted to the MDH Commissioner (Well Management Section) along with a $325 fee. This applies to wells for residential, agricultural, commercial, or public water supply use.

10Within how many days must a well record be submitted to MDH after well completion in Minnesota?

A.30 days

B.45 days

C.60 days

D.90 days

Explanation: Minnesota requires that the well record (well log) be submitted to MDH and a copy provided to the well owner within 30 days of completing the well. This record documents construction details, geological formations, water levels, and other essential information.

About the MN Well Driller Exam

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

Questions

100 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

varies (Minnesota Department of Health)

MN 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

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

20%

Groundwater

Aquifer protection, water quality, contamination prevention, Minnesota geology

15%

Professional Practice

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

How to Pass the MN Well Driller Exam

What You Need to Know

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

Keys to Passing

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

MN Well Driller Study Tips from Top Performers

1Master Minnesota's well code and casing requirements under MDH rules

2Understand proper grouting procedures for Minnesota's glacial geology

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

4Know groundwater protection measures for Minnesota's extensive aquifer systems

5Review well log documentation requirements and abandonment procedures

Frequently Asked Questions

What does the Minnesota well driller exam cover?

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

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

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

What experience is required for a Minnesota well driller license?

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

How often must the Minnesota well driller license be renewed?

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