Koelnbrein
| Dam Name | Koelnbrein |
| River | Malta |
| Near City | Gmuend |
| Administration City | Carinthia |
| Country | Austria |
| Year | 1977 |
| Dam Height | 200 |
| Dam Length | 626 |
| Area(Sqkm) | 1.2 |
| Area(Polygonal) | 1.2 |
| Capital Expenditure | 205 |
| Depth(M) | 170.8 |
| Avg Displacement Of Water | 1297 |
| Catchment Area In Sqkm | 44 |
| Main Usage | Hydroelectricity |
| Status | 2: Good |
| Longitude | 13.33375 |
| Latitude | 47.082917 |
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