PRESS RELEASE

    IAPMO 2023 WE•Stand Monograph Now Available

    IAPMO 2023 WE•Stand Monograph Now Available

    Ontario, Calif. — The International Association of Plumbing and Mechanical Officials (IAPMO®) has made the 2023 Water Efficiency and Sanitation Standard (WE•Stand) technical committee meeting monograph available for download.

    All individuals anticipating an active role in the American National Standards Institute (ANSI)-accredited consensus development of the WE•Stand at the technical committee meetings, May 17-18, in Ontario, Calif., will want to download these documents in Adobe PDF format HERE.

    Hardcopy versions will not be available at the meetings.

    To accommodate those who cannot attend in-person, an online option is available for those wishing to participate virtually. Virtual attendees are required to register in order to participate. Please contact codes-dept@iapmo.org to obtain virtual meeting registration information.

    The technical committee meeting monograph contains every change proposal submitted for the 2023 edition of the WE•Stand as part of the ANSI-accredited consensus code development process employed by IAPMO.

    Topic areas for proposed changes to the WE•Stand include: onsite wastewater treatment systems for direct potable water use; onsite gray water treatment systems; the Water Demand Calculator (WDC); reverse osmosis water treatment systems; water efficiency rating systems and methodologies; maximum flow rates for fixtures and fittings; combination ovens; steam sterilizers; leak detection and control; irrigation control systems; permit exceptions for urine reuse systems; slopes for horizontal urine diversion piping; urine storage tanks; maintenance plans for urine diversion systems; rainwater storage tanks; maximum hot water system ratios; collection surfaces, drainage materials, and minimum water quality for potable rainwater catchment systems.

    IAPMO urges its members and other interested parties to get involved in the code development process to ensure effectiveness in preserving the public’s health, safety, and welfare through fair and balanced development of the WE•Stand. Installers, plumbing officials, the construction industry, engineers, and manufacturers all benefit from a cooperative effort in developing codes and standards.

    For specific information about the WE•Stand technical committee, please contact Taylor Duran at (909) 218-8126 or e-mail your question to 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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