| Haccho-zeki | |
| Location: | Chiba Prefecture, Japan |
| Dam Length: | 80m |
| Dam Height: | 18m |
| Opening: | 1933 |
| Res Capacity Total: | 151 thousand cubic meters |
| Res Surface: | 2 hectares |
| Coordinates: | 35.115°N 140.0069°W |
| Location Map: | Japan |
Haccho-zeki is an earthfill dam located in Chiba Prefecture in Japan. The dam is used for irrigation. The dam impounds about 2 ha of land when full and can store 151 thousand cubic meters of water. The construction of the dam was completed in 1933.[1]