Naramata dam

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Naramata
Naramata-623-r1-2.jpg
Location: Minakami , Gunma Prefecture , Japan
Tributaries: Naramata
Drain: Naramata → Tone
Naramata (Gunma Prefecture)
Naramata
Coordinates 36 ° 52 '57 "  N , 139 ° 4' 46"  E Coordinates: 36 ° 52 '57 "  N , 139 ° 4' 46"  E
Data on the structure
Lock type: Rockfall dam
Construction time: 1973-1990
Height of the barrier structure : 158 m
Building volume: 13.1 million m³
Crown length: 520 m
Power plant output: 12.2 MW
Data on the reservoir
Water surface 2 km²
Storage space 90 million m³
Catchment area 95.4 km²
Design flood : 1 650  m³ / s

The Naramata dam ( Japanese 奈良 俣 ダ ム , ~ damu ) is a dam in the district ( Ōaza ) Fujiwara of Minakami in the Japanese prefecture of Gunma . The barrier structure, a rock embankment dam, is 158 m high and 520 m long.

The Naramata River ( 楢 俣 川 , -gawa ), which is part of the Tone river system , is dammed into a two-square-kilometer reservoir with a capacity of 90 million cubic meters. A hydroelectric power plant with an output of 12.2 MW is operated at the dam .

See also

Web links

Commons : Naramata Dam  - Collection of images, videos, and audio files