| name | image | status | type | Area (m²) | date Commissioned | date Opened | date Start construction | Website | Height (m) | Country | continent | Maximum discharge (m³/day) | lake | Installed capacity (w) | latitude (°) | Length (m) | longitude (°) | Turbines | volume (m³) | administrative división | city | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hayachine Dam |  | Gravity | 71,500,000 | 2000 | 1982 | website | Japan | Asia | 39.5166664124 | 390 | 141.3333282471 | Iwate Prefecture | Hanamaki, Iwate | Map | ||||||||
| Kuzumaru Dam |  | 1991 | 1978 | website | Japan | Asia | 39.5000000000 | 220 | 141.0500030518 | 670,000 | Iwate Prefecture | Hanamaki, Iwate | Map | |||||||||
| Tase Dam |  | Gravity | 1954 | 1938 | website | Japan | Asia | 39.3333320618 | 320 | 141.3166656494 | Iwate Prefecture | Hanamaki, Iwate | Map | |||||||||
| Toyosawa Dam |  | 1961 | 1949 | website | Japan | Asia | 39.4666671753 | 150 | 140.9666595459 | Iwate Prefecture | Hanamaki, Iwate | Map |