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IAPMO

IAPMO is a global team of experts engaging industry and government for a safer built environment.

The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for more than eighty five years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world.

05/21/2026

On Tuesday, IAPMO CEO Dave Viola, CAO Gaby Davis, and the IAPMO Board of Directors accepted a commemorative crystal from ANSI - American National Standards Institute in recognition of IAPMO’s 100-year anniversary.

For a century, IAPMO has been committed to protecting public health and safety through codes, standards, product testing and certification, training, and industry collaboration. This recognition from ANSI is a meaningful reminder of the partnerships that have helped shape our work and our impact over the past 100 years.

Thank you to ANSI for this special honor as we continue celebrating IAPMO’s centennial year and looking ahead to the next 100 years of service to our industry and communities around the world.

05/17/2026

On this day in 1926, 39 plumbing inspectors formed what would become our organization: IAPMO. These are our origins.

They recognized a flaw in the trades: people were dying or becoming ill from unsafe plumbing. Their response was to unite, standardize the trade, and protect public health through safe plumbing.

Here is how our first few decades unfolded:

1931: Work officially began on the very first Standard Plumbing Code.

1936: The Standard Plumbing Code was approved; our Research Committee (the precursor to the modern IAPMO R&T) was established by a vote!

1945: The Uniform Plumbing Code (UPC®) was born. To ensure rapid adoption, it wasn't up for sale; rather, it was mailed to cities upon request.

1950: The Research Committee began inspecting factories that manufactured plumbing products; this added a layer of oversight to products and code compliance before they reached the public.

So, IAPMO's history was, in part, the history of safer plumbing advancements in America.

Where did we go after the 1950s? Our next chapter in the timeline is coming soon!

05/01/2026

The backflow prevention legend, Sean Cleary, is officially taking the global stage at the upcoming World Plumbing Conference. As our VP of Backflow Prevention Institute (BPI) Operations, he will examine how regulation, infrastructure, and innovation shape backflow risk in the session: “Backflow Prevention in Practice: Regional Perspectives on Risk and Reliability.”

Backflow Prevention is a frontline defense for public health, yet many regions trail behind in compliance & infrastructure. Alongside Chartered Institute of Plumbing & Heating Engineering VP Paul Daley, Peter McLennan, and WRAS Managing Director Julie Spinks, Sean will outline the risks and the case for stronger standards, improved compliance, and the consistent adoption of proven solutions.

Register for the World Plumbing Conference today: https://wpc2026.com/

04/29/2026

What an honor: to celebrate a century of IAPMO, now at the WQA Convention! Thank you to all of the industry pioneers who joined us in celebrating this milestone. If you missed the show, remember that we are now about a month away from our actual birthday, so stay tuned for something very special!

04/26/2026

The 2027 Code Books are currently in production as part of the next generation of industry safety codes.

Please monitor official channels for upcoming announcements regarding publication dates.

04/24/2026

In the trades, your knowledge & expertise are valuable assets. Whether you're mastering backflow prevention in our hands-on training lab or navigating plumbing and mechanical codes via our webinars, IAPMO's training courses are built to keep those skills sharp.

You can learn directly from industry veterans, earn credits, and gain the practical, real-world knowledge designed to support your career.

Access our nationwide backflow courses here: https://iapmolearn.org/topclass/searchCatalog.do?catId=61137

Or, access our upcoming webinars here: https://iapmolearn.org/topclass/searchCatalog.do?catId=1904830

04/18/2026

Education, networking, and… Universal Studios Hollywood? Registration for this year’s conference is now open!

Don’t miss your chance for five days of industry education and a special Universal Studios evening outing. Register today: https://iapmo.org/conference-iapmo

04/01/2026

We’re entering the streaming wars with the launch of our new streaming service, IAPMO+ 😎📺

Binge-watch 100 years of plumbing codes this April Fool’s Day!

03/31/2026

As March comes to a close, we want to reflect on the nationwide commitment to water infrastructure demonstrated throughout Month.

From coast to coast, state and local leaders officially recognized the urgent need for sustainable water systems, drought resilience, and public health protections. We extend our sincere gratitude to Governor Mikie Sherrill of New Jersey, Governor Michelle Lujan Grisham of New Mexico, and Governor Tony Evers of Wisconsin. We also thank Honolulu Mayor Rick Blangiardi, County of Maui, County of Kaua'i, Hawaiʻi, and the Honolulu City Council for their dedicated support, regional resolutions, and certificate presentations.

These proclamations underscore the essential role of the plumbing industry and the skilled professionals who maintain our daily access to safe, clean drinking water.

While March4Water Month is concluding, our work to secure safe water for future generations continues year-round. Learn more about our initiatives and how we support communities nationwide: www.uniformcodes.org/march4water

03/28/2026

Throughout March, leaders across the Hawaiian Islands have united to officially recognize Month, underscoring a statewide commitment to sustainable water infrastructure, water equity, and public health.

From mayoral proclamations to city and county presentations, IAPMO is proud to collaborate with local policymakers, UA Local 675, and regional boards of water supply to help secure a resilient water future for the islands.

Thank you to the Honolulu Board of Water Supply, Maui County Council, County of Kaua'i, County of Hawaiʻi, Mayor Rick Blangiardi and Council Chair Tommy Waters for championing this cause alongside our dedicated industry representatives.

Swipe through to see highlights from this month's presentations, and learn more about our ongoing work to protect Hawaiʻi's water resources: https://www.uniformcodes.org/march4water

Address

4755 E Philadelphia Street
Ontario, CA
91761

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Telephone

+19094724100

Website

http://www.iapmo.org/

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