Formally founded 90 years ago on May 17 as the Los Angeles City Plumbing Inspectors Association, IAPMO (and the global influence it represents) owes its existence to a group of plumbing inspectors who got to talking during a coffee break in 1926. After satisfying their caffeine fix, these 39 city workers concluded that forming an association to deal with the city’s plumbing issues would be beneficial. The cornerstone of their work, the Uniform Plumbing Code (UPC®), now protects the health and safety of roughly half the world’s 7.1 billion people.


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