Nepean Reservoir
| Reservoir Name | Nepean |
| Dam Name | Nepean |
| River | Nepean |
| Administration City | New South Wales |
| Country | Australia |
| Year | 1935 |
| Dam Height | 81 |
| Dam Length | 216 |
| Area(Sqkm) | 2.4 |
| Area(Polygonal) | 2.4 |
| Capital Expenditure | 45.9 |
| Depth(M) | 19.1 |
| Avg Displacement Of Water | 4079 |
| Catchment Area In Sqkm | 331 |
| Main Usage | Water supply |
| Status | 2: Good |
| Longitude | 150.617083 |
| Latitude | -34.335417 |
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