There are two problems with this charging system: First, the water charge is indexed to inflation and is supposed to be automatically increased every six months, while water tariff increases have to be approved by the City Council.
Ada dua masalah dengan sistem penagihan ini: Pertama, imbalan air disesuaikan dengan inflasi dan secara otomatis naik setiap enam bulan, sedangkan kenaikan tarif air harus disetujui oleh DPRD.