| Isawa Dam | |
| Dam Crosses: | Isawa River |
| Location: | Iwate Prefecture, Japan |
| Dam Type: | Embankment, rock-fill |
| Dam Length: | 723m (2,372feet) |
| Dam Height: | 132m (433feet) |
| Plant Hydraulic Head: | 100.7- (effective) |
| Dam Volume: | 13500000m2 |
| Construction Began: | 1983 |
| Opening: | 2013 |
| Purpose: | Flood control, power, irrigation |
| Res Capacity Total: | 143000000m2 |
| Res Capacity Active: | 132000000m2 |
| Res Catchment: | 185km2 |
| Res Surface: | 440ha |
| Plant Turbines: | 1 × 10.7 MW, 1 × 3.5 MW, 1 × 1.5 MW Francis-type |
| Plant Capacity: | 15.7 MW[1] |
| Plant Commission: | 2014 |
| Location Map: | Japan |
| Coordinates: | 39.1133°N 140.9036°W |
is an embankment dam on the Isawa River in Iwate Prefecture, Japan.[2] It was constructed between 1983 and 2013. Its reservoir, which submerged the smaller Ishibuchi Dam upstream, was full in May 2013.[3] The dam's 15.7 MW power station was expected to be operational in July 2014.[1]