Ontario, Calif. — The International Association of Plumbing and Mechanical Officials (IAPMO®), publisher of the Water Efficiency and Sanitation Standard® (WE•Stand), Uniform Solar, Hydronics and Geothermal Code® (USHGC) and Uniform Swimming Pool, Spa and Hot Tub Code® (USPSHTC), is calling for public comments on the 2022 Report on Proposals (ROP) for the 2023 and 2024 editions of these model codes, the preceding editions of which American National Standards.
The public comment form, as well as instructions and background on IAPMO’s ANSI-accredited consensus development process, can be found at:
WE•Stand
USHGC/USPSHTC
All comments should be submitted using the exact wording wished to be recommended to the technical committees for review. Each comment must include one recommendation of the following: accept as submitted, accept as modified, or reject. Additionally, each comment must state the problem the recommendation will resolve and any technical justification for making the comment.
No comments will be accepted after the 5 p.m. PST deadline on Jan. 13, 2023. All public comments will be distributed to the technical committee members on April 3, 2023, and reviewed at their meetings, May 15-18, 2023, in Ontario, California.
IAPMO urges its members and other interested parties to get involved in the code development process to ensure effectiveness in preserving the public health, safety, and welfare through fair and balanced development of the Uniform Codes. Installers, plumbing and mechanical officials, the construction industry, engineers, and manufacturers all benefit from a cooperative effort in developing codes.
For specific questions about submitting comments for the USPSHTC please contact: Enrique Gonzalez at (909) 230-5535 or enrique.gonzalez@iapmo.org. For specific questions about submitting comments for the USHGC or WE•Stand please contact: Taylor Duran at (909) 218-8126 or taylor.duran@iapmo.org.
IAPMO® is proud to announce that Dain Hansen, executive vice president of Government Relations, has been named one of The Hill’s Top 100 Lobbyists of 2025. This marks Hansen’s fourth consecutive year on this prestigious list, highlighting his continued leadership and IAPMO’s influence on public policy affecting codes, standards, and the built environment.
IAPMO®, developer of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®), has posted online the timeline for the development of the 2030 editions of these prospective American National Standards.
IAPMO® is seeking volunteers to participate on two technical committees working toward the development of the 2030 editions of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®). The deadline to submit an application is Jan. 30, 2026.