Iowa Plumbing Exams
The Iowa Plumbing License Exam covers many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more. Whether you live in Des Moines, Cedar Rapids, Davenport or another city or county, the resources below will help you get started:
Prepare to Pass the Actual Plumbing Exam:
600 Plumber Exam Questions, Flash Cards, and Testing Tips
Need of a License: Master and journeyman plumbers need a license to work in Iowa.
Who Grants a License: Plumbers are regulated by the Iowa Plumbing and Mechanical Systems Board.
Procedures for Getting a License: Candidates for a journeyman or master plumbing license must take an exam. For more information about the exams, see a Candidate Information.
Content of the Test: The master and journeyman tests have the following content and specifications:
Master - 200 questions, 6 hours to complete, open book, 75% to pass, with the following sections and number of questions:
General Knowledge - 15
General Regulations -20
Plumbing Fixtures - 5
Water Supply Systems - 10
Drainage, Waste and Vents - 20
Indirect Waste - 4
Roof Drain Piping - 4
Specialty Plumbing - 4
Isometric Analysis - 6
Fuel Gas Systems - 10
Safety - 2
Journeyman - 100 questions, open book, 3 hours to complete, 75% to pass, with the following subject areas and number of questions:
General Knowledge - 15
General Regulations -20
Plumbing Fixtures - 5
Water Supply Systems - 10
Drainage, Waste and Vents - 18
Indirect Waste - 3
Roof Drain Piping - 4
Specialty Plumbing - 4
Isometric Analysis - 6
Fuel Gas Systems - 10
Safety - 5
Qualifications to take the Journeyman Exam and receive a License: Candidates must provide a U.S. Department of Labor Office of Apprenticeship identification number and sponsor identification number or have completed at least 4 years of apprentice like or on the job training.
Qualifications to take the Master Exam and receive a license: Candidates must have been a licensed journeyman plumber for a minimum of 2 years.
Who Administers the Test: Kirkwood Community College
How to Apply for the Test: You can find the application and instructions online.
Mail the completed application to:
Iowa Plumbing and Mechanical Systems Board
Lucas State Office Building
Iowa Department of Public Health
321 E. 12th Street
Des Moines, Iowa 50319
You must be approved before you take the test.
Fees: There are fees to take the test.
License Renewal: Licenses must be renewed every three years. Plumbers must complete at least 8 hours of board approved continuing education as a condition to renewal.
Applicable Code: The state of Iowa has adopted the Uniform Plumbing Code. Some local governments of Iowa have adopted the International Plumbing Code.
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For more information on licensing and exam preparation, go to Tests.com's
Journeyman Plumbing Test Guide
And take Tests.com's Plumbing Practice Test.
Prepare to Pass the Actual Plumbing Exam:
600 Plumber Exam Questions, Flash Cards, and Testing Tips
