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LATEST NEWS FROM IAPMO

Castle Rock, Colorado, Adopts Water Demand Calculator® for Residential Water Supply Pipe Sizing

19 November 2024

The Castle Rock, Colorado, town council has approved the adoption of IAPMO’s Uniform Plumbing Code (UPC®) Appendix M — the Water Demand Calculator® — as an alternative methodology for sizing water pipes in single- and multifamily buildings. The Castle Rock Town Code has been amended to require the use of the Water Demand Calculator for sizing water service lines and internal plumbing supply lines.

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