ABSTRACT The Regional Drinking Water Company (PDAM) Tirta Siak of Pekanbaru City is a government agency in the form of a Regional-Owned Enterprise (BUMD) established based on Regional Regulation (Perda) TK.I of Riau Province No. 7 of 1976. The purpose of this study is to identify the performance of PDAM within the 2017-2021 period and after the revitalization process in 2023. The evaluatio…