Obernhau
| Dam Name | Obernhau |
| River | Obernaubach |
| Near City | Siegen |
| Administration City | North Rhine-Westphalia |
| Country | Germany |
| Year | 1972 |
| Dam Height | 60 |
| Dam Length | 300 |
| Area(Sqkm) | 0.7 |
| Area(Polygonal) | 0.7 |
| Capital Expenditure | 14.9 |
| Depth(M) | 21.3 |
| Avg Displacement Of Water | 118 |
| Catchment Area In Sqkm | 13 |
| Main Usage | Water supply |
| Status | 2: Good |
| Longitude | 8.14125 |
| Latitude | 50.917083 |
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