Abstract
The results of forecasting domestic water demands in long terms are important for planning water supply facilities and operation and management systems. Recently, structure water demands are being complicated due to the variation of its effecting factors. Therefore, this study was purposed to clear up the factors effecting. Besides, changes of the factors were analyzed by the results of the surveys carried out at intervals. Additionally, the actual situation of intended water usage was analyzed by measurement survey. This study reveals that household composition, lifestyle, spread of equipments, and saving water awareness are the effect factors of water consumption and usage.
