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Plumbing and Water Supply


Programs in plumbing and water supply prepare people to work as licensed plumbers or to maintain water and irrigation systems.

Plumbing and water supply programs include topics such as:

Many plumbing and water supply programs include apprenticeship training. Apprentices complete a set number of classroom hours and receive training on the job from experienced workers.


Students may be able to specialize in:


Several career and technical schools as well as a few community colleges offer certificate and associate degree programs in plumbing and water supply. A certificate program usually takes a year of full-time study. An associate degree program usually takes two years to complete.

An apprenticeship program may require one to four additional years of on-the-job training.

See schools that offer this program.

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Careers Directly Related to this Program of Study

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Program Admission

You can prepare for this program of study by getting your high school diploma or GED.

Most apprenticeship programs require that you be at least 18.

Apprenticeship requirements vary by area and local committee. Most committees require that apprentices be at least 18. Some will accept younger apprentices who have permission from their parents or high school principal.

Some training programs require that applicants take aptitude tests and physical activity tests. Most require related work experience.

Below is a list of high school courses that will help prepare you for this program of study:

Typical Course Work

Program Courses

This program typically includes courses in the following subjects:

Plumbing apprentices may take these additional courses:

Pipefitting apprentices may take these additional courses:

Each year, an apprentice completes about 2,000 hours of work in supervised, on-the-job training.

Things to Know

Most programs require that students buy their own tools.

Employers and unions prefer applicants who have done some work in the construction trades.

For information about apprenticeships and other training opportunities, call or visit local contractors, union offices, apprenticeship agencies, or your nearest employment service office.


King-Snohomish Area

Construction Industry Training Council (CITC)

Seattle Area Pipe Trades Education Center

Kitsap Area

West Sound Pipe Trades Joint Apprenticeship Training Committee

Spokane Area

Inland Empire Plumbing and Pipefitting Industry Apprenticeship Training Committee

Vancouver Area

Charter College--Vancouver

West Side Area

Northwest Washington Pipe Trades Apprenticeship Committee

Yakima Area

Perry Technical Institute