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CR-53 Water Well Drilling (2021-04-13)

This classification allows the scope of work permitted by the commercial C-53 Water Well Drilling and the residential R-53 Drilling licenses.

C-53 WATER WELL DRILLING: This classification allows the licensee to drill new water wells or deepen existing water wells by use of standard practices including the use of cable tools, compressed air percussion, rotary, air rotary, or reverse circulation rotary methods. Includes installing casing, gravel pack, perforating and sanitary seals. Repair existing wells by sand pumping, jetting, acidizing, swabbing, clean out, reperforating, swaging, installation of annealed lines, and the removal of debris.

Includes photographing interior of wells with appropriate equipment. Installation of jet and submersible pumps; electrical pump controls and wiring from pump equipment to first readily accessible disconnect; and water line to storage or pressure tank, not to exceed 50 linear feet. Use of a test pump to develop a new well, or repair an existing well, when provided in contract, is limited to 5 horsepower.

Installation of concrete pump bases not to exceed 50 squarefeet.

Installation of protective fencing when included in original contract.

R-53 DRILLING: This classification allows the licensee to install and repair of wells, including test boring, exploratory drilling and all materials and devices common to the industry.


30 Questions

Minimum Passing Score of 70%

Time Allowed - 75 Minutes

The reference material listed below was used to prepare the questions for this examination.  The examination may also contain questions based on trade knowledge or general industry practices. Except for Code books, you can base your answers on later editions of references as they become available.  For Code questions, the examinations will be based only on the edition of the Code book that is listed.

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Open Book These books are allowed while taking your test.
Closed Book These books are for pre-test study only and are not available for use during the test.

  • Open Book

    Water Systems Handbook

    12th Edition
    Publication Year: 2011


    A major revision to WSC's Water Systems Handbook, a reference for water well construction and maintenance, has been completed! The new handbook includes up to date information on well construction, well components, questions and answers for self-testing, new graphics, and more safety information.

  • Open Book

    Handbook of Suggested Practices for the Design and Installation of Ground Water Monitoring Wells

    Short DescriptionThis book presents practices used in the design and installation of groundwater monitoring wells.

  • Open Book

    Code of Federal Regulations, 29 CFR Part 1926 (OSHA) 2021


    All Federal Construction Regulations (29 CFR 1926) are included in this “perfect bound” book in an easy-to-read, two-color layout.

    All 29 CFR 1926 regulations for construction industry are included along with the following items:

    29 CFR 1903 regulations covering inspections, citations, and penalties
    29 CFR 1904 regulations covering recording and reporting occupational injuries and illnesses
    OSHA keyword dictionary
    Easy to find OSHA interpretations