Hayachine Dam
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| Hayachine Dam | |
|---|---|
 | |
  Hayachine Dam Location of Hayachine Dam in Japan | |
| Official name | 早池峰ダム |
| Location | Hanamaki, Iwate, Japan |
| Coordinates | 39°31′53″N 141°20′22″E / 39.53139°N 141.33944°E |
| Construction began | 1982 |
| Opening date | 2000 |
| Operator | Iwate Prefecture |
| Dam and spillways | |
| Type of dam | Concrete gravity dam |
| Impounds | Hienuki River |
| Height | 73.5 meters |
| Length | 390.0 meters |
| Reservoir | |
| Creates | Hayachine Lake |
| Total capacity | 15,750,000 m3 |
| Catchment area | 71.5 km2 |
| Power Station | |
| Operator | Iwate Prefecture |
| Annual generation | 3000 KW |
The Hayachine Dam (早池峰ダム, Hayachine damu) is a multi-purpose dam on the Hienuki River, a branch of the Kitakami River, located in the city of Hanamaki, Iwate Prefecture in the Tōhoku region of northern Japan. It managed by Hanamaki Civil Engineering Center, Minami Kunisaki Promotion Department, and is a gravity-type concrete dam with a bank height of 73.5 meters.
