St. Louis Updates Plumbing Code to 2021 Uniform Plumbing Code

ST. LOUIS, Feb. 23, 2023 /PRNewswire/ -- City of St. Louis Mayor Tishaura Jones has signed legislation adopting the International Association of Plumbing and Mechanical Official's (IAPMO) the 2021 Uniform Plumbing Code (UPC), updating the city's code from the 2009 edition of the UPC. The...