Although the interception system will be able to carry 80 percent of the city's domestic sewage, "household sewage lines will still need to be put in, even after the interception system is completed," says T. T. Sung, director of the Taipei Sewerage Engineering Department.
因此，雖然截流系統可截住百分之八十的家庭汙水，「但截流系統完成後，家庭汙水排放管還是要做的」，台北市衛生下水道工程處長宋大同說。