St. Louis Updates Plumbing Code to 2021 Uniform Plumbing Code
City of St. Louis Mayor Tishaura Jones has signed legislation adopting the 2021 Uniform Plumbing Code (UPC), updating the city’s code from the 2009 edition of the UPC. The adoption was recommended by the city’s Committee of Plumbing Code Review and has the enthusiastic support of St. Louis’ plumbing industry.