Periphyton is a microorganism that attached to a submerged substrate. This study aims to determine the trophic status of the area in Lake Bakuok, Aur Sati Village on periphyton abundance. This research has been conducted in June-July 2019. There were 3 stations, namely S1 (settlements area and closed to palm plantation area), S2 (restaurant and settlements area), S3 (around the floating net…