Arakawa River (Kantō) Arakawa River (Kantō) The is a long river that flows through Saitama Prefecture and Tokyo. It originates on Mount Kobushi in Saitama Prefecture, and empties into Tokyo Bay. It has a total catchment area of . The river is one of Tokyo's major sources of tap water, and together with the Tone River, accounts for around 80% of Tokyo's water supply. Attempts to control flooding of the Arakawa River have been made since the area that is now Tokyo became the de facto capital of Japan during the Edo period. Following a major flood in 1910 that damaged a large
Alan Arakawa Union Representative. In 1994, Arakawa first ran for office to become a member of Maui's county council. He won and was reelected in 1996 and 2000. He served as Chair of the Planning, Parks and Land Use committees during his tenure. Arakawa also was one of the members who spearheaded a movement to create nonpartisan elections for Maui County government seats. In November 2002, Arakawa was elected in a nonpartisan race for county mayor. Arakawa is married to Ann Arakawa, Assistant Professor of Mathematics at the University of Hawaii Maui College. They have two daughters, Jan and Jodi. In 2006,