100+ Free MD Well Driller Practice Questions

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What is the purpose of a pressure switch on a water system?

To manually control the pump

To filter contaminants from the water

To automatically turn the pump on and off based on system pressure, typically with a cut-in and cut-out setting

To measure water flow rate

to track

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

2026 Statistics

Key Facts: MD 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

$250

License Fee

LicenseMap 2026

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

Sample MD Well Driller Practice Questions

Try these sample questions to test your MD 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 COMAR 26.04.04, what is the minimum distance a water supply well must be set back from a septic system in an unconfined aquifer area?

A.100 feet

B.50 feet

C.75 feet

D.150 feet

Explanation: COMAR 26.04.04.04(B) requires a minimum setback of 100 feet from contamination sources such as septic systems and barnyards when drilling in unconfined aquifer areas. For confined aquifer situations, the distance is reduced to 50 feet.

2What is the minimum setback distance from a building foundation for a water supply well in Maryland?

A.30 feet

B.20 feet

C.50 feet

D.15 feet

Explanation: COMAR 26.04.04.04(B)(2) mandates a minimum distance of 30 feet between a water supply well and any building foundation. This ensures structural integrity and prevents contamination pathways along foundation walls.

3What is the minimum setback distance from a road for a well in Maryland?

A.15 feet

B.10 feet

C.25 feet

D.50 feet

Explanation: Under COMAR 26.04.04.04(B)(2), a water supply well must be located at least 15 feet from any road. This distance helps protect the well from surface runoff contamination associated with roadways.

4What is the minimum setback distance from property lines for a well in Maryland?

A.10 feet

B.15 feet

C.25 feet

D.5 feet

Explanation: COMAR 26.04.04.04(B)(2) requires a minimum distance of 10 feet from property lines for well placement. This is one of the shortest setback distances in the Maryland regulations.

5What is the passing score required on the Maryland State Board of Well Drillers licensing examination?

A.70%

B.75%

C.80%

D.65%

Explanation: Under COMAR 26.05.01, an applicant must achieve a score of 70% or above on the licensing examination to pass. Applicants who fail may retake the exam following the Board's scheduling procedures.

6Which agency administers well driller licensing in Maryland?

A.Maryland State Board of Well Drillers under MDE

B.Maryland Department of Labor

C.Maryland Department of Health

D.Maryland Board of Professional Engineers

Explanation: The Maryland State Board of Well Drillers, operating under the Maryland Department of the Environment (MDE), is the regulatory body responsible for licensing well drillers, pump installers, and water conditioner installers per Environment Article Title 13.

7How many categories of well driller licenses does Maryland issue?

A.Three: General, Geotechnical, and Water Supply

B.Two: Residential and Commercial

C.Four: General, Geotechnical, Water Supply, and Environmental

D.One: Universal Well Driller

Explanation: Maryland issues well driller licenses in three categories: General (all types), Geotechnical (monitoring and environmental wells), and Water Supply (water wells and heat pump wells). Each category is available at Master and Journeyman class levels.

8What classes of well driller license does Maryland offer?

A.Master and Journeyman

B.Class A and Class B

C.Senior and Junior

D.Licensed and Certified

Explanation: Maryland issues Master and Journeyman class well driller licenses. A Journeyman must work under a Master driller's supervision, while a Master driller can operate independently. Both classes are available in the General, Geotechnical, and Water Supply categories.

9How many years of experience as a Journeyman well driller are required to qualify for a Master well driller license through Path A in Maryland?

A.2 years

B.3 years

C.5 years

D.1 year

Explanation: Under COMAR 26.05.01.04, Path A requires 2 years of experience as a licensed Journeyman well driller in the same category to qualify for the Master well driller examination.

10How many years of well drilling experience are required to qualify for a Journeyman license through Path B (direct experience) in Maryland?

A.5 years, with 2 of the last 3 operating equipment

B.3 years total experience

C.7 years total experience

D.4 years, with 1 year operating equipment

Explanation: COMAR 26.05.01.04 Path B requires 5 years of practicing well drilling, with 2 of the last 3 years having been spent operating the equipment used for the construction of wells of the category of license sought.

About the MD Well Driller Exam

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

Questions

100 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$250 (Maryland Department of the Environment)

MD 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

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

20%

Groundwater

Aquifer protection, water quality, contamination prevention, Maryland geology

15%

Professional Practice

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

How to Pass the MD Well Driller Exam

What You Need to Know

Passing score: 70%
Exam length: 100 questions
Time limit: 2 hours
Exam fee: $250

Keys to Passing

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

MD Well Driller Study Tips from Top Performers

1Master Maryland's well construction standards and casing requirements under MDE rules

2Understand proper grouting procedures for Maryland's Piedmont and Coastal Plain geology

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

4Know groundwater protection measures for Maryland's aquifer systems

5Review well log documentation requirements and abandonment procedures

Frequently Asked Questions

What does the Maryland well driller exam cover?

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

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

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

What experience is required for a Maryland well driller license?

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

How often must the Maryland well driller license be renewed?

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