Mazegawa Dam
| Mazegawa Dam | |
|---|---|
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| Official name | 馬瀬川第二ダム |
| Location | Gero, Gifu Prefecture, Japan. |
| Coordinates | 35°43′53″N 137°08′25″E / 35.73139°N 137.14028°E |
| Construction began | 1966 |
| Opening date | 1976 |
| Dam and spillways | |
| Impounds | Maze River |
| Height | 44.5 meters |
| Length | 263.0 meters |
| Reservoir | |
| Total capacity | 9,736,000 m3 |
| Catchment area | 1,049.0 km2 |
| Surface area | 70 hectares |
| Power Station | |
| Installed capacity | 28.8 MW |

Mazegawa No.2 Dam (馬瀬川第二ダム, Mazegawa dai-ni da-mu) is a dam in the city of Gero in Gifu Prefecture, Japan on the Maze River. The dam is part of the Iwaya Dam project which acts as a flood control across the wider Kiso River system.[1] The dam is a concrete gravity dam with a height of 44.5 meters. It was constructed for hydroelectric power generation and its associated power plant has a capacity of 288,000 kilowatts of power. It is managed by the Chubu Electric Power Company.
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