California
(C-55) Water Conditioning

Apply for the License and Exam

Contractors State License Board 9821 Business Park Drive P.O. Box 26000 Sacramento, CA  95826 Phone:  (800) 321-2752 Outside CA: (916) 255-3900 www.cslb.ca.gov

Exam Type

CLOSED  BOOK

Exam Content

Subject Areas % of Questions Water Testing and Equipment Selection 32 Water Conditioning Equipment Installation 38 Water Conditioning Equipment Maintenance and Repairs 15 Safety 15 Time Allowed (hours) 2.5 Passing Grade: Pass/Fail California does not publish the number of test questions nor the passing score. According to Blueprint for Becoming a California Licensed Contractor, "You will be informed at the test site about the percentage of correct answers needed to pass each examination." The qualifying individual for a contractor’s license is required to pass the written Law and Business and trade examinations unless he or she meets the requirements for a waiver. Part of this exam requires knowledge of business management principles.  We offer those study materials on a separate California Law and Business web page.

Books NOT Allowed in the Exam

1. Basic Electricity for Installers, W. Haynie III, Water Quality Association.   2. California Health and Safety Code, Division 104 Environmental Health, Part 12 Drinking Water, Chapter 5 Water Equipment and Control.   3. California Plumbing Code (California Code of Regulations, Title 24, Part 5), 2010, (based on the 2009 Uniform Plumbing Code), IAPMO. 4. Cal/OSHA Construction Safety Orders, California Code of Regulations, Title 8, Division 1 - Industrial Relations, Chapter 4, Subchapter 4. 5. Guidelines for Disinfection and Sanitation of Water Treatment Equipment, Water Quality Association.   6. Installer's Home Study Course, Water Quality Association.   7. Ozone for Point-of-Use, Point-of-Entry, and Small Water System Water Treatment Applications, Water Quality Association.   8. Reverse Osmosis for Point-of-Use Application, Water Quality Association.   9. Water Filtration for Point-of-Use Application, Water Quality Association.   10. Water Processing: Residential, Commercial, Light-Industrial, 3rd Edition, 2000, Water Quality Association.   11. Water Treatment Fundamentals, 7th Edition, 2001, Water Quality Association.   12. WQA Glossary of Terms, J. Harrison and W. McGowan, Water Quality Association.

We currently do not offer study materials for this trade (based on customer demand or availability of reference books)

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 Apr-2011