General Drilling — Information & Free Practice
US-NE · Examination information
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General Drilling
- Provider
- Nebraska Department of Water, Energy, and Environment
- Format
- Written, unless an examination accommodation is provided
- Time limit
- 1 1/2 hours
- Passing score
- At least 70% on each required examination
Examination outline
General Drilling
- Current drilling practices and techniques
- Know what a confined aquifer is
- Know what can cause volatiles
- Know when to consider drilling fluids acidic
- Know what bentonite drilling fluid is used for
- Know what type of water bentonite mixes better in
- Know what can cause a cone of depression
- Know how much of the US population relies on ground water
- Know what a flowing artesian well is
- Know what MCL means
- Know what porosity means
- Know what hard water is
- Know what a coliform count is
- Know what the maximum contaminant level for nitrate/nitrogen is (mg/l)
- Know what permeability measures
- Know what coliform bacteria is
- Know what pH is and what it measures
- Know what artesian pressure is
- Know how jetted wells are constructed
- Know why wells are purged
- Know what viscosity means
- Know what a filter cake is
- Know what reverse rotary is
- Know what top head drive rotary is
- Know the procedure for decommissioning a well
- Know what cable tool drilling is
- Know what a water table is
- Know who to report the decommissioning of a well to
- Know the purpose of a well seal
- Know when to measure the water level in a well exhibiting head pressure
- Know what galvanic corrosion is
- Know what a Material Safety Data Sheet (MSDS) is
- Know the purpose of a reamer
- Know what specific capacity of a well means
- Know the purpose of a monitoring well
- Know why ground water pollution has become a problem
- Know how drilling mud should be prepared
- Know the purpose of driller collars
- Know what cross contamination is
- Know when to calibrate field instruments
- Know what aliquot means
- Know what an aquifer is
- Know the purpose of chain-of-custody
Examination sources
- Department examination-format statement, no version date stated
Item 2; drilling exam complete scope
- Department Drilling Review Material, no edition date stated
Review material, page 2
- Department Drilling Review Material, no edition date stated
Review material, page 3
- 134 NAC 2, effective June 28, 2026
134 NAC 2-002.03
- Department exam requirements and study-material page, pinned September 3, 2026
EXAM REQUIREMENTS; separate section scores and retakes
- WAT310, revised February 2026; publisher listing August 7, 2026
Section E; individually selectable examinations
Related license preparation
This examination may be required or accepted as an alternative, depending on the license and application pathway.