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Water Source and Water Production Volume

River System
Water Source
Water Production Volume (m3/day)
Chikugo River Egawa Dam and Terauchi Dam 144,200
Gosho Dam 28,100
Chikugo Ozeki 6,500
Tatara River Narubuchi Dam 22,000
Chikuzenkai(Genkai-nada) Sea water Desalination 50,000
Existing water production volume subtotal 250,800
Chikugo River Oyama Dam (under construction) 52,000
Naka River Gokayama Dam (under construction) 10,000
Total 312,800