| Jo-ike | |
| Name Official: | 城池 |
| Location: | Kagawa Prefecture, Japan |
| Dam Length: | 190m |
| Dam Height: | 16.5m |
| Opening: | 1975 |
| Res Capacity Total: | 720 thousand cubic meters |
| Res Surface: | 19 hectares |
| Coordinates: | 34.2325°N 134.1106°W |
| Location Map: | Japan |
Jo-ike is an earthfill dam located in Kagawa Prefecture in Japan. The dam is used for irrigation. The dam impounds about 19 ha of land when full and can store 720 thousand cubic meters of water. The construction of the dam was completed in 1975.[1]