Dossier #3888 · GRanD 6211
Iwaonai
🇯🇵Japan · Teshiogawa River
Built 1970 · Dam · data quality: Good
Reservoir outline · simplified
Specifications
- Height
- 58 m
- Crest length
- 448 m
- Reservoir capacity
- 107.7 MCM
- Reservoir area
- 5.5 km²
- Average depth
- 19.6 m
- Catchment
- 332 km²
- Avg discharge
- 7,407 L/s
- Elevation
- 309 masl
- Degree of regulation
- 46.1 %
Notes
Built 1970
Provenance
Record 3888 of the Global Dam Watch v1.0 database (CC BY 4.0), original source: GRanD, year via GRanD. Coordinates are river-snapped: 44.1143, 142.7078.