The Water Demand Calculator was developed in response to the limitations of traditional water supply sizing methods based on assumptions dating back to the 1940s. 

Dewi’s exceptional leadership, industry expertise and commitment to excellence have been instrumental to the continued success and growth of IAPMO R&T.

IAPMO marked its centennial at its 2026 Annual Education and Business Conference, celebrating its history while recognizing industry leaders and contributors.

Hansen will bring industry expertise to federal discussions on trade barriers, trade agreements and market access during the committee’s 2026-2030 term.

The deadline to submit an appeal is Oct. 9, 2026.

IAPMO’s Dain Hansen has been appointed to the U.S. Government’s Industry Trade Advisory Committee, bringing the plumbing and mechanical industry’s perspective to federal trade policy.

This expansion provides manufacturers with greater access to testing services for products intended for the U.S. and North American markets. 

The 2026 Reports on Comments for IAPMO’s 2027 USHGC, USPSHTC and WE•Stand are now available for public review, with comments due Oct. 30.

New Jersey has officially adopted the 2024 New Jersey Edition of the National Standard Plumbing Code to serve as the plumbing code for the Garden State.

IWSH has completed a major plumbing upgrade at the Los Angeles Mission, strengthening essential facilities used by more than 1,000 people each day.