100+ Free IL Well Driller Practice Questions
Pass your Illinois Well Driller / Pump Installer Exam exam on the first try — instant access, no signup required.
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Key Facts: IL 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
Illinois requires well drillers and pump installers to pass a state licensing exam covering well construction standards, groundwater protection, and IDPH regulations under the Water Well Construction Code.
About the IL Well Driller Exam
The Illinois well driller exam covers state well construction standards, casing and grouting requirements, pump installation, groundwater protection, IDPH licensing regulations, well abandonment procedures, and professional practice under the Illinois Water Well Construction Code.
Questions
100 scored questions
Time Limit
2 hours
Passing Score
70%
Exam Fee
$250 (Illinois Department of Public Health)
IL Well Driller Exam Content Outline
Well Construction
Casing, grouting, well design, drilling methods, well development
Pump Installation
Pump types, sizing, electrical connections, pressure systems, maintenance
Regulations
IDPH licensing, well code, reporting requirements, fees, CE requirements
Groundwater
Aquifer protection, water quality, contamination prevention, Illinois geology
Professional Practice
Well logs, abandonment procedures, safety, contracts, client relations
How to Pass the IL 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
IL Well Driller Study Tips from Top Performers
Frequently Asked Questions
What does the Illinois well driller exam cover?
The exam covers well construction standards, casing and grouting requirements, pump installation, groundwater protection, Illinois IDPH regulations, and professional practice.
What is the passing score for the IL well driller exam?
A minimum score of 70% is required to pass the Illinois well driller licensing examination.
What experience is required for an Illinois well driller license?
Illinois requires experience working under a licensed driller before you can sit for the licensing exam. Contact the IDPH for current requirements.
How often must the Illinois well driller license be renewed?
License renewal requirements include completing continuing education hours. Contact the IDPH for the current renewal cycle and CE requirements.