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Aratozawa Dam
Aratozawa Dam is a 74.4-meter rockfill dam on the Nihasama River in Kurihara, Miyagi Prefecture, Japan, completed in 1998 for flood control and irrigation, forming Lake Aizen.
Dams in the Tōhoku region
The dams in the Tōhoku region of Japan form a dense network of large multipurpose dams, centered on the Kitakami River basin, built for flood control, hydropower, and water supply.