Chwayong
| Dam Name | Chwayong |
| River | Sampochon |
| Near City | Daedong |
| Country | North Korea |
| Year | 1959 |
| Dam Height | 23 |
| Dam Length | 380 |
| Area(Sqkm) | 0.5 |
| Area(Polygonal) | 0.5 |
| Capital Expenditure | 14.6 |
| Depth(M) | 29.2 |
| Avg Displacement Of Water | 136 |
| Catchment Area In Sqkm | 15 |
| Status | 3: Fair |
| Longitude | 125.454583 |
| Latitude | 39.100417 |
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