For decades, engineers have relied on a formula dating from 1940 to estimate peak water demand, a key factor in specifying the smallest pipe size that will provide sufficient water pressure for every fixture in a building to function normally. Sloan’s chief scientist, Kay Herbert, Ph.D., has developed a new formula that yields more accurate water demand estimates — which can save costs, reduce water use, and prevent bacteria growth. (Sloan is a benefactor of MCAA22) The new formula is ideal for modern engineers grappling with green technology, touch-free fixtures, and hygiene concerns in the post-COVID-19 era.

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