Water Well Contractor Examination Part 3 — Experience in the Construction of Water Wells — Information & Free Practice
US-IL · Examination information
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Water Well Contractor Examination Part 3 — Experience in the Construction of Water Wells
- Provider
- Illinois Department of Public Health
- Format
- Written examination
- Passing score
- At least 70 out of 100 points in this part
Practice scope
The authority has not published an examination outline; the practice questions follow the scope of the existing question bank.
Site assessment and preliminary design
- Siting, aquifer information, demand, and preliminary well design
Safety and mobilization
- Utility clearance, ground conditions, rig setup, blocking, and leveling
Rotary drilling operations
- Pits, circulation, bits, stabilizers, pumps, and cuttings removal
Drilling fluids
- Mud composition, mixing, pH, viscosity, testing, and adjustment
Casing, screens, and gravel packs
- Formation sampling, screen selection, installation, packers, and gravel placement
Geology, sampling, and drilling logs
- Cuttings collection, formation identification, water-bearing intervals, and field records
Grout materials and placement methods
- Mix design, quantity, density, bottom-up placement, and approved methods
Cable-tool and bored-well construction
- Starting holes, drive shoes, bailers, casing advance, bored-well design, and completion
Well development, yield, and disinfection
- Development methods, completion criteria, yield tests, and chlorination
Construction reports and completion records
- Report timing, construction details, geologic logs, signatures, and variance samples
Examination sources
- 77 Ill. Adm. Code 915.20 Examination Requirements
Section 915.20(b), four independently scored parts
- Study Manual for the Water Well and Pump Installation Contractors License Examinations
Page 4, water well examination general knowledge description
- 77 Ill. Adm. Code 915.20 Examination Requirements
Section 915.20(c), independent scoring and pass mark
- 77 Ill. Adm. Code 915.20 Examination Requirements
Section 915.20(d), subsequent examination registration
- IDPH Application for Licensure: Water Well Contractor, Water Well Pump Installation Contractor or Water Well and Pump Installation Contractor
Page 1, Scope of Examination
Related license preparation
This examination may be required or accepted as an alternative, depending on the license and application pathway.