C-57 – Water Well Drilling Contractor

A well drilling contractor installs and repairs water wells and pumps by boring, drilling, excavating, casing, cementing and cleaning to provide a supply of uncontaminated water.

The Well Drilling (C-57) Examination is divided into five major sections. These sections are:

1. Job planning and estimating (18%)

• Site inspection
• Equipment selection
• Documentation

2. Drilling and boring (37%)

• Potential for contamination
• Equipment transport and use
• Drill boring and lithology log
• Completion of well construction

3. Pumping systems (18%)

• Pump installation
• Valve installation
• Piping installation
• Electrical control installation

4. Service and repair (9%)

• Defective part identification
• Defective system and component repair or replacement

5. Safety (18%)

• Work site hazards
• Public hazards
• Tool and equipment operation and maintenance

*Percentages are approximate*