Nielisz
| Dam Name | Nielisz |
| Country | Poland |
| Year | 1997 |
| Dam Height | 13 |
| Dam Length | -99 |
| Area(Sqkm) | 4.4 |
| Area(Polygonal) | 4.4 |
| Capital Expenditure | 19.5 |
| Depth(M) | 4.4 |
| Avg Displacement Of Water | 6483 |
| Catchment Area In Sqkm | 1373 |
| Main Usage | Flood control |
| Status | 2: Good |
| Longitude | 23.03375 |
| Latitude | 50.804583 |
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