Adoption of the Uniform Plumbing Code
Current through February, 2022
The "Uniform Plumbing Code, 2018 Edition" including appendices A, B, C, [DrE, F,] G,  I, J, K, L, and M, as copyrighted and published by International Association of Plumbing and Mechanical Officials, 5001 East Philadelphia Street, Ontario, CA 91761-2816 is incorporated by reference and made a part of this chapter This incorporation by reference includes all parts of the Uniform Plumbing Code subject to the amendments hereinafter set forth The systems or methods outlined in the appendices are permitted only if they are adopted as part of the code If adopted, these systems or methods may be used, but are not required.
Deleted the following appendices which are covered either by other State model codes or Hawaii Administrative Rules
* D-Sizing Storm Water Drainage
* E-Manufactured/Mobile Home Parks and Recreational Vehicle Parks
* F-Firefighter Breathing Air Replenishment Systems
* H-Private Sewage Disposal Systems
The following state regulations pages link to this page.
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.