The Kanna Dam (漢那ダム) is a concrete gravity dam on the Kanna River in Ginoza, Okinawa Prefecture, Japan. The purpose of the dam is water supply and flood control. After studies were carried out in the 1970s(starting in 1973 and ending in 1978), construction on the dam began in 1982 and it was completed in 1992. The dam is 45 m (148 ft) tall and 185 m (607 ft) long. In order to retain the reservoir, a 37 m (121 ft) tall and 500 m (1,640 ft) long saddle dam was constructed directly northeast of the dam. A fish ladder was installed on the dam during construction to assist the migration of fish, shrimp and crabs. Mangroves downstream of the dam were restored after construction and the area is a tourist destination along with a habitat for water fowl.
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| - The Kanna Dam (漢那ダム) is a concrete gravity dam on the Kanna River in Ginoza, Okinawa Prefecture, Japan. The purpose of the dam is water supply and flood control. After studies were carried out in the 1970s(starting in 1973 and ending in 1978), construction on the dam began in 1982 and it was completed in 1992. The dam is 45 m (148 ft) tall and 185 m (607 ft) long. In order to retain the reservoir, a 37 m (121 ft) tall and 500 m (1,640 ft) long saddle dam was constructed directly northeast of the dam. A fish ladder was installed on the dam during construction to assist the migration of fish, shrimp and crabs. Mangroves downstream of the dam were restored after construction and the area is a tourist destination along with a habitat for water fowl. (en)
- 漢那ダム(かんなダム)は、沖縄県国頭郡宜野座村を流れる二級河川・漢那福地川本流に建設された治水、灌漑、上水道供給を目的とするダムであり、本ダムと脇ダムからなる。ダム湖はかんな湖と名付けられており、2005年(平成17年)3月16日にダム湖百選に認定されている。ダム建設の総事業費は350億円であった。 (ja)
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| - The Kanna Dam (漢那ダム) is a concrete gravity dam on the Kanna River in Ginoza, Okinawa Prefecture, Japan. The purpose of the dam is water supply and flood control. After studies were carried out in the 1970s(starting in 1973 and ending in 1978), construction on the dam began in 1982 and it was completed in 1992. The dam is 45 m (148 ft) tall and 185 m (607 ft) long. In order to retain the reservoir, a 37 m (121 ft) tall and 500 m (1,640 ft) long saddle dam was constructed directly northeast of the dam. A fish ladder was installed on the dam during construction to assist the migration of fish, shrimp and crabs. Mangroves downstream of the dam were restored after construction and the area is a tourist destination along with a habitat for water fowl. (en)
- 漢那ダム(かんなダム)は、沖縄県国頭郡宜野座村を流れる二級河川・漢那福地川本流に建設された治水、灌漑、上水道供給を目的とするダムであり、本ダムと脇ダムからなる。ダム湖はかんな湖と名付けられており、2005年(平成17年)3月16日にダム湖百選に認定されている。ダム建設の総事業費は350億円であった。 (ja)
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