Water Well Driller — Information & Free Practice
US-WI · Examination information
112 free questions · Answer explanations · No signup required
Water Well Driller
- Provider
- Wisconsin Department of Natural Resources
- Format
- In-person paper examination; open code; multiple-choice and true/false questions.
- Exam questions
- 100
- Time limit
- Up to three hours in a DNR examination session.
- Passing score
- 75%
- Exam fee
- $50
Practice scope
The authority has not published an examination outline; the practice questions follow the scope of the existing question bank.
Professional Licensing and Responsibilities
- 1.1.1 Purpose and applicability
- 1.2.1 Definitions
- 1.3.1 Exceptions to individual water well driller license requirements
- 1.4.1 Water well driller business registration
- 1.4.2 Exceptions to water well driller business registration requirements
- 1.5.1 Supervisory water well driller responsibilities
- 1.6.1 Well filling and sealing license and registration requirements
- 1.7.1 Conditions
- 1.8.1 License and registration renewal application process
- 1.8.2 License and registration renewal eligibility
- 1.8.3 Continuing education requirements
- 1.9.1 Responsibilities
- 1.10.1 Basis for suspension or revocation
- 1.10.2 Limitations on suspended or revoked credentials
- 1.10.3 Reinstatement
- 1.11.1 Well filling and sealing requirements
- 1.12.1 Property transfer well inspections
- 1.13.1 Appropriate action and stepped enforcement
Community Water System Scope and Approval
- 2.1.1 When a water system is a community well
- 2.2.1 Approval requirements
Well Construction and Compliance
- 3.1.1 Applicability to water systems and drillholes
- 3.2.1 Cooperation with the department
- 3.3.1 Conforming work and exceptions
- 3.4.1 Well and water system definitions
- 3.5.1 Location requirements and Table A
- 3.6.1 Activities requiring approvals
- 3.6.2 Application submission and approval
- 3.7.1 Product and component approvals
- 3.8.1 Preconstruction responsibilities
- 3.8.2 Water samples and well construction reports
- 3.8.3 Post-construction correction responsibilities
- 3.9.1 Well construction equipment and materials
- 3.10.1 Preconstruction planning
- 3.10.2 Construction during drilling
- 3.10.3 Post-drilling construction
- 3.10.4 Finishing operations
- 3.11.1 Unconsolidated drillhole diameter and casing depth
- 3.11.2 Casing, screens and gravel packs
- 3.11.3 Upper enlarged drillholes and grouting
- 3.12.1 Bedrock drillhole diameter and casing depth
- 3.12.2 Bedrock casing materials and driving restrictions
- 3.12.3 Upper enlarged and lower drillholes
- 3.12.4 Bedrock grouting
- 3.13.1 General flowing-well construction
- 3.13.2 Flowing wells in unconsolidated formations
- 3.13.3 Flowing wells in bedrock
- 3.14.1 Potable high-capacity well dimensions and casing
- 3.14.2 High-capacity well grouting and casing advancement
- 3.14.3 High-capacity well screens and gravel packs
- 3.14.4 High-capacity well geologic samples
- 3.15.1 Screened wells with gravel packs
- 3.15.2 Gravel-pack placement
- 3.16.1 Welding procedures
- 3.17.1 Plumbness and alignment
- 3.18.1 Grouting and sealing annular spaces
- 3.19.1 Liners
- 3.20.1 Well rehabilitation
- 3.20.2 Batch chlorination
- 3.21.1 Driven point wells
- 3.22.1 Dug wells
- 3.23.1 Springs as potable sources
- 3.24.1 When filling and sealing is required
- 3.24.2 Filling and sealing methods
- 3.24.3 Filling and sealing reports
- 3.25.1 Vermin-proof caps and seals
- 3.26.1 Pits and driveway ramps
- 3.27.1 Water treatment
- 3.28.1 Existing location and construction
- 3.28.2 Existing water quality
- 3.28.3 Existing pits and alcoves
- 3.28.4 Existing reservoirs
- 3.28.5 Existing dug wells
- 3.28.6 Pump and discharge piping evaluation
- 3.28.7 Casing height and extensions
- 3.28.8 Existing caps and seals
- 3.28.9 Basement wells
- 3.28.10 Work on existing installations
- 3.29.1 Variance applicant responsibilities
- 3.29.2 Department variance authority
- 3.29.3 Landfill variances
- 3.29.4 Bedrock casing-depth variance
- 3.30.1 Property-transfer inspection scope
- 3.30.2 Property-transfer inspector licensing
- 3.30.3 Inspection forms and sampling
- 3.30.4 Evaluation criteria
- 3.31.1 Citations
- 3.32.1 Sampling, analysis and reporting
Wisconsin Geologic Conditions
- 4.1.1 Glacial geology
- 4.2.1 Bedrock geology
- 4.2.2 Stratigraphic bedrock units
- 4.2.3 Limestone and dolomite
- 4.2.4 Sandstone
- 4.2.5 Shale
- 4.2.6 Precambrian basement rock
- 4.3.1 Importance of drill cuttings
- 4.3.2 Cuttings collection methods
- 4.4.1 Aquifer
- 4.4.2 Specific capacity and well yield
- 4.4.3 Groundwater flow
- 4.4.4 Groundwater flow map
Drilling, Development, and Reporting
- 5.1.1 Siting a well
- 5.2.1 Mud rotary
- 5.2.2 Air rotary
- 5.2.3 Cable-tool advantages
- 5.2.4 Power chisel
- 5.2.5 Bailer
- 5.2.6 Pile driver
- 5.2.7 Casing hammer
- 5.2.8 Dual rotary
- 5.2.9 Screen installation
- 5.2.10 Well development
- 5.2.11 Overpumping
- 5.2.12 Surging
- 5.2.13 Jetting
- 5.2.14 Blasting
- 5.2.15 Acidification
- 5.2.16 Hydrofracturing
- 5.3.1 Flowing wells
- 5.3.2 Jetting methods
- 5.4.1 Special casing-depth areas
- 5.5.1 Water as drilling fluid
- 5.5.2 Sodium bentonite slurry
- 5.5.3 Drilling foam
- 5.5.4 Other additives
- 5.6.1 Fluid and additive selection
- 5.7.1 Make-up water
- 5.8.1 Well construction reporting
- 5.8.2 Filling and sealing reporting
- 5.8.3 Sampling reporting
- 5.8.4 Compliance inspection report
- 5.8.5 Property-transfer report
- 5.9.1 Public Land Survey System
- 5.10.1 GPS location reporting
- 5.10.2 Well Driller Viewer
- 5.11.1 Disinfection
- 5.11.2 Bleach concentration and pH
- 5.12.1 Removing residual chlorine
- 5.12.2 Arsenic and metals sampling
- 5.13.1 Why filling and sealing matters
- 5.13.2 Stuck pump removal
- 5.13.3 Bentonite chip volume
Annular Sealing Methods
- 6.1.1 Grout uses and characteristics
- 6.2.1 Straight and in-gage drillhole
- 6.3.1 Sealant materials
- 6.4.1 Tremie pipe method
- 6.4.2 Bradenhead method
- 6.4.3 Grout shoe method
Field Calculations
- 7.1.1 Grout calculation
Examination sources
- Wisconsin Legislature NR 146.04(2)(im), Note — examination subject matter
NR 146.04(2)(im), Note — examination subject matter
- Wisconsin DNR licenses
License exams — Preparation: code reference list
- Wisconsin Legislature Wis. Stat. 280.15(2m)(f)1m.a.
Wis. Stat. 280.15(2m)(f)1m.a.
- Wisconsin Legislature NR 146.01(1) — statutory licensing authority
NR 146.01(1) — statutory licensing authority
- Wisconsin DNR licenses
License exams — Taking the exam: question format
- Wisconsin DNR exams
Exam Information — Water Well Driller question count
- Wisconsin DNR exams
Private Water Licenses — Driller Applicants
- Wisconsin Legislature NR 146.04(2)(im)
NR 146.04(2)(im)
- Wisconsin DNR process
Submit exam application — WDP examination fee
Related license preparation
This examination may be required or accepted as an alternative, depending on the license and application pathway.