PRESS RELEASE

    IAPMO Solicits Public Comments for 2023 WE•Stand, 2024 USHGC, USPSHTC

    IAPMO Solicits Public Comments for 2023 WE•Stand, 2024 USHGC, USPSHTC

    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.


    Report on Comments Toward Development of 2027 UPC, UMC Now Available for Online Download

    01 August 2025

    IAPMO®, developer of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®), has posted online the 2025 Report on Comments (ROC) for the 2027 editions of these American National Standard-designated model codes. The ROC includes the committee actions as discussed during the May 6-8 technical committee meetings, the electronic ballot results as balloted between May 19-June 16, and the Technical Correlating Committee actions on all comments received for the 2027 editions.

    IAPMO® Supports APEC Workshop in South Korea on Safe Drinking Water

    31 July 2025

    IAPMO®, a global team of experts engaging industry and government for a safer built environment, was proud to support the the Asian-Pacific Economic Cooperation (APEC) Workshop: Strengthening Standards and Technical Regulations for Safer Drinking Water – Developing an International Roadmap. The two-day workshop helped kick off the Third Senior Officials’ Meeting and Related Meetings (SOM3), which began July 26 and are slated to run through Aug. 15.

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