The population of Fukuoka City increased from 647, 122 in 1960 to ] , 341, 470 in 2000 , Urban growtk has been increasing water demand . Fukuoka City has had water shortage twlce in spite ofits e俄) rts to expand the capacity ofwater supply , This study firstly reproduced actual water supply and demand in Fukuoka City during 1960 to 2000 through System Dynumics Mode1 , Water demand in Fukuoka City was analyzed and compared wjth that Qf Sapporo City without water shortage 、 The study s ondly

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... ated the detail ofwater demand fbr urban life . The study thirdly carlied out two cases of soenario simulation in order to eva 玉 uate dam construction works and Chikugo River water supply projec1 . If止ose projects were not carriじd out , the estimated population or Fukuoka Cily is surely less than its actual population because of more serious water shortag