ABSTRACT The Peat Hydrological Unit (PHU) of the Enok River and Batang River is one of the PHUs in Riau Province which is located in Indragiri Hilir Regency. This district has a high rate of land clearing for plantations and has many canals, if not properly controlled it can cause peatlands to degrade. Good water management needs to be done to keep the peat moist by knowing the water potential…