Status Mutu Air Di Sungai Siak Kota Pekanbaru Pada Kondisi Surut

The Siak River is the largest river located in Riau Province. The industrial sector and community activities in the Siak River Basin are the causes of pollution in the Siak River. This research was carried out in July–August 2023 to determine water quality status and pollution levels using the pollution index method. The water quality parameters measured are physical (temperature, brightness,…