Because the slopeland has slid down, the Soil and Water Conservation Bureau of the Council of Agriculture set aside a special budget of NT $ 300 million to build a dike along the riverbank in the valley to prevent collapsing soil and rock from sliding into the river and being carried from there into the reservoir.
農委會水土保持局因為斜坡上的台地滑動龜裂，原計劃動支特別預算 3 億元在谷底溪床旁做護堤，以防止土石崩落溪床，流入水庫。