Arakawa, Tokyo Arakawa, Tokyo Arakawa has sister-city relationships with Donaustadt in Vienna, Austria, and with Corvallis, Oregon, U.S. Domestically, it has similar relationships with nine cities, towns and villages. As of May 1, 2015, the ward has an estimated population of 208,763, and a population density of about 20,550 persons per km². The total area is 10.16 km². Arakawa is in the northeastern part of Tokyo. The shape is long and narrow, stretching from west to east. The Sumida River forms the northern boundary. The ward is surrounded by five other special wards. To the north lies Adachi; to the west, Kita;
Two Rivers Dam Two Rivers Dam The Two Rivers Dam is a dry dam in southeastern New Mexico, sixteen miles west-southwest of the city of Roswell. The dam is actually two dams separated by an area of higher land approximately 1.5 miles wide. Normally, no water is impounded behind the dams, they are strictly for flood control. However, during the spring runoff water will back up behind the northern dam. This has created a small oasis in the lowlands behind the dam. Both dams are earth-fill dams with coarse rubble on the faces to prevent erosion. The tops of both dams are 4058