We have already constructed a soil runoff protection system in the farm land area of the catchment basin. This system incorporates concrete block barriers, water wells, and reinforced concrete pipes; together, it can hold back 30,000 tons of silt. We are also reforesting some areas and building smaller embankments where needed to check erosion. "
他透露，翡翠水庫建設委員會早在六十八年便委託農發會與林務局，對集水區的土地利用與水土保持做了調查，並逐步完成集水區農地水保工事，包括：混凝土砌塊、駁崁、集水井、涵管等工程，預計可阻擋三萬噸淤砂。