| Ekiyama No.1 Tameike Dam | |
| Location: | Yamaguchi Prefecture, Japan |
| Dam Length: | 72m |
| Dam Height: | 22.7m |
| Opening: | 1919 |
| Res Capacity Total: | 120 thousand cubic meters |
| Res Catchment: | 0.4 sq. km |
| Res Surface: | 1 hectares |
| Coordinates: | 34.3628°N 131.1514°W |
| Location Map: | Japan |
Ekiyama No.1 Tameike Dam is an earthfill dam located in Yamaguchi prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 0.4 km2. The dam impounds about 1 ha of land when full and can store 120 thousand cubic meters of water. The construction of the dam was completed in 1919.[1]