ABSTRACT The city of Bangkinang has an area of 177.18 km² which is inhabited by 40,639 residents. The city of Bangkinang itself is traversed by one of the rivers, namely the Kampar River. The Kampar River is one of the main sources for the residents of Bangkinang city to fulfill their water needs. The Kampar River is the source of raw water (Intake) of the Tirta Kampar Regional Drinking W…