The Korea Local Administration Review

The budget of construction and maintenance of the sewage system is increased and therefore financial burden of local governments also. Through the realization of sewage fees, It should include the all the budget of sewage system For this government’s plans not only the financial situation of local government but also the Causer-Pays Principles should be reflected. The peak flow rate, which determine the size of the urban stormwater facilities, is dependent on land use in the catchment area.
It doesn’t meet the legal fairness, if the stormwater management cost caused by impervious surface area at the site development is considered a public service cost through a natural phenomenon. Separate sewage charges, which impose the additional expenses on the causer of impervious surface, can promote the ecological urban water cycle and enhance the legal fairness and the economical efficiency of the decentralized rainwater management facilities.