Masan
| Dam Name | Masan |
| River | Omok |
| Near City | Onyang |
| Country | South Korea |
| Year | 1928 |
| Dam Height | 11 |
| Dam Length | 247 |
| Area(Sqkm) | 0.6 |
| Area(Polygonal) | 0.6 |
| Capital Expenditure | 3 |
| Depth(M) | 5 |
| Avg Displacement Of Water | 288 |
| Catchment Area In Sqkm | 21 |
| Status | 2: Good |
| Longitude | 126.977083 |
| Latitude | 36.775417 |
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