Way Umpu Sub watershed is one of sub watershed from Tulang Bawang watershed in Way Kanan regency, Lampung. Its has area of 784,71 km2 and has a length of 134,94 km and flows from Banjit district to Bahuga district. This land dominated by forest makes Way Umpu sub watershed used by the community for settlement, farming, agriculture and other land uses. But in practice, poor management cause the …