Q1 2024
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U.S. Environmental Protection Agency (EPA) Announced Intent to Revise High-Efficiency Lavatory Faucet Specification
The U.S. Environmental Protection Agency (EPA) today announced its intent to revise its High-Efficiency Lavatory Faucet Specification for residential faucets and faucet accessories to earn the WaterSense® label. EPA is reevaluating the scope of its specification to consider adding public lavatory faucets, kitchen faucets, metering faucets, and their respective faucet accessories.
The IAPMO Group Again to Highlight Vital Role Plumbing Plays in Building Community Resilience, Protecting Public Health with March4Water Month
Building on the momentum started last year, The IAPMO Group, the world-leading technical experts on safe and effective plumbing systems, again celebrates March4Water, a month-long observance of the myriad ways communities derive better health and resilience through plumbing.
IWSH Releases 2023 Impact Report: Eight Global Projects Improved Access to Clean Water and Safe Sanitation
2023 was a good year for the vital work we do here at IWSH. 

We are pleased to release our 2023 Year in Review, demonstrating how our partners, volunteers, and sponsors helped ensure the availability and sustainable management of water and sanitation for all.
ASSE Seeks Working Group Members for Development of National Standard ASSE 1010
ASSE International is seeking working group members to update ASSE 1010, the standard covering performance requirements for water hammer arresters.

ASSE 1010 working group members will assist the Product Standards Committee (PSC) with the continued development of this American National Standard. The working group will operate in accordance with ASSE’s accredited procedures for standards development: IAPMO/ASSE PP-1 (Policies and Procedures for Consensus Development of American National Standards).
Registration Open, Schedule Released for Eighth Emerging Water Technology Symposium
Registration is now open for the eighth Emerging Water Technology Symposium (EWTS), taking place May 14-15 in Scottsdale, Arizona.

The EWTS provides a unique opportunity to meet well-known experts from across the globe. Participants can discover ideas and approaches about emerging technologies coming to market; learn about innovative sustainable plumbing and mechanical concepts; view presentations; and engage in timely discussions on how the water utility, manufacturing, engineering and trade industries have found solutions through emerging technologies for the water efficiency, plumbing and mechanical industries.
2024 National Standard Plumbing Code — Illustrated Now Available
The International Association of Plumbing and Mechanical Officials (IAPMO) has released the 2024 edition of the National Standard Plumbing Code – Illustrated (NSPC). An updated version of the 2021 NSPC, the book may be purchased from the IAPMO web store.

The 2024 NSPC provides the latest information about common materials, fixtures, devices and equipment systems used or installed in plumbing systems. This new edition is printed in the popular illustrated format, with comments and illustrations clearly shown as supplemental information. The illustrations and supplementary notes make it an indispensable training tool.
IAPMO and ASSE Offer Access to Library of Standards
The International Association of Plumbing and Mechanical Officials (IAPMO®) and ASSE International are offering read-only access to their library of standards. This includes access to more than 100 national standards (including American National Standards, Canadian National Standards, and Professional Qualification standards, as well as more than 200 industry standards (IGC, PS, and TS). Many of these standards are referenced in the plumbing, mechanical, solar, swimming pool and building codes; about 200 standards are referenced in the 2024 Uniform Plumbing Code® (UPC) and the 2024 Uniform Mechanical Code® (UMC). IAPMO and ASSE believe access to standards should not come at an additional cost or burden to the public, and without requiring a membership to view the standards.
Manual of Recommended Construction Practices for Potable Water Published
The International Association of Plumbing and Mechanical Officials (IAPMO®) and the Construction Practices for Potable Water Task Group are pleased to announce the release of the publication titled the Manual of Recommended Construction Practices for Potable Water.
What To Know About Water Filters and Drinking Water Quality
Episode Description
On this episode, we'll be speaking with Tom Palkon, chief technical services officer for The IAPMO Group, who will break down how certified water filters work and how the public can be assured of their performance.
IAPMO Government Relations Corner
World Water Day — IAPMO Advances March4Water with Capitol Hill Events
Pictured right (L to R): Dain Hansen, IAPMO; Erin McCuster, SATO and LIXIL Public Partners; Fernando Fernandez, Toto; Laura E. Kohler, Kohler; and Christopher Lindsay, IAPMO. 
To highlight the myriad ways the plumbing industry creates positive change in a water-stressed world, IAPMO® was thrilled to further its March4Water initiatives around World Water Day by participating in and hosting numerous events on Capitol Hill this week.
A busy week culminated with a World Water Day celebration event marking the 10-year anniversary of The Senator Paul Simon Water for the World Act, hosted by IAPMO, the Millennium Water Alliance and WaterAid US at the Cannon House Office Building. A capacity crowd gathered with federal administration leaders and elected officials to recognize the progress — and work still to be done — in accelerating access to safe drinking water, sanitation, and hygiene for millions in the United States and around the world.
United States President Joe Biden Commemorates World Plumbing Day
It is an honor to join plumbers, pipefitters, steamfitters, sprinkler fitters, service technicians, and pipeliners everywhere in commemorating World Plumbing Day.

Everyone in America deserves the peace of mind of knowing that when they tum on their faucets, they will have clean water to drink. But for too many, that’s not the case. Countless families, schools, and businesses have their water pumped through a lead pipe, lead valve, or lead fixture, putting those who drink it at risk for brain or kidney damage. That’s wrong, and as a Nation, we have an obligation to do something about it.
California Approves Water Demand Calculator® as Alternate Standard for Sizing Water Supply Piping
The California Building Standards Commission has approved the adoption of IAPMO’s Uniform Plumbing Code (UPC®) Appendix M — the Water Demand Calculator® —into the California Plumbing Code (CPC) as an alternative methodology for sizing water pipes in single- and multifamily buildings. The alternative approach will be available for statewide use on a voluntary basis starting July 1, 2024.
Biden-⁠Harris Administration Announces Nearly $6 Billion for Clean Drinking Water and Wastewater Infrastructure as Part of Investing in America Tour
Vice President Kamala Harris and Environmental Protection Agency (EPA) Administrator Michael Regan traveled to Pittsburgh, Pennsylvania as part of the Administration’s Investing in America Tour to announce $5.8 billion in funding for clean water infrastructure from President Biden’s Investing in America agenda. President Biden and Vice President Harris are committed to ensuring a future where every child and family has access to clean, safe water, and today’s announcement brings the total amount of clean water funding announced by EPA from the President’s Bipartisan Infrastructure Law to $22 billion. The Infrastructure Law invests a total of over $50 billion to upgrade America’s water infrastructure, the largest investment in clean water in American history.
California State Water Resources Control Board Approves Regulations for Converting Wastewater to High Quality Drinking Water
Further advancing the Administration’s all-of-the-above Water Supply Strategy to make California more resilient to hotter, drier conditions, the State Water Resources Control Board approved regulations today that will allow water systems to develop treatment protocols to convert wastewater into high quality drinking water.
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