Construction Trade Exam Research Area

New Hampshire
Water Treatment Specialist
ICC Exam # 419

Apply for the License

Plumbers' Licensing Board
33 Hazen Drive
Concord, NH 03305
Phone: 1-800-735-2964
Plumbers' Licensing Board

Exam Administrator

International Code Council
900 Montclair Rd.
Birmingham, AL 35213
(888) 422-7233, ext. 5524
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas % of
Installation Requirements 28
Location Requirements 6
Safety Devices 14
Piping and Valves 18
Law and Administration 4
Pressure Tanks 12
Venting Requirements 18

Total number of test questions: 50
Time allowed (hours): 2.5


Recommended References

1. International Plumbing Code, 2009, ICC. Doc Link
2. International Residential Code, 2009, ICC. Doc Link
3. New Hampshire Plumbing Statute RSA 329-A Doc Link
4. New Hampshire Administrative Rules Plu 100-500 Doc Link
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