ABSTRACT Pekanbaru City's wastewater access coverage consists of 90% local systems, 7.59% babs and 2.41% inadequate access. A Centralized Domestic Wastewater Management System (SPALDT) has been planned for Pekanbaru City which is located in Rejosari Village, Tenayan Raya District which will serve 5 districts namely Pekanbaru City, Limapuluh, Sail, Senapelan and Sukajadi, namun there are still …