Ontario, Calif. — The International Association of Plumbing and Mechanical Officials (IAPMO®) has made the 2022 Water Efficiency and Sanitation Standard (WE•Stand) Technical Committee Meeting Monograph available for download.
All individuals anticipating an active role in the ANSI-accredited consensus development of the WE•Stand at the technical committee meetings, June 22-23, in Ontario, California, will want to download these documents in Adobe PDF format HERE.
Hardcopy versions will not be available at the meetings.
The Technical Committee Meeting Monograph contains every change proposal submitted for the 2023 edition of the WE•Stand as part of the American National Standards Institute (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 reuse; onsite gray water treatment systems; gray water ready plumbing; the Water Demand Calculator (WDC); reverse osmosis water treatment systems; water efficiency rating systems and methodologies; urine diversion system design and treatment methods; sustainable landscape design and installation; plant and irrigation system limitations; plant grouping via hydrozones; irrigation control systems; irrigation zone performance criteria; stormwater management and rainwater retention; water metering applications; leak detection and control; maximum hot water system ratios; commercial pre-rinse spray valves; and steam sterilizers.
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.
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.