ABSTRACT Kampung Sungai Tengah rice fields have a functional land area of ± 450 ha of a total land area of ± 800 ha. To meet the needs of irrigation water, the government makes long storage and the people of Kampung Sungai Tengah use water from the Siak River flow. Making long storage serves to collect water at high tide and then at low tide the floodgates are closed so that water in lon…