Fourth Nanaimo Lake
| Dam Name | Fourth Nanaimo Lake |
| River | Sadie Creek |
| Near City | Nanaimo |
| Administration City | British Columbia |
| Country | Canada |
| Year | 1952 |
| Dam Height | 22 |
| Dam Length | 222 |
| Area(Sqkm) | 1.7 |
| Area(Polygonal) | 1.7 |
| Capital Expenditure | 43.5 |
| Depth(M) | 25.6 |
| Avg Displacement Of Water | 3979 |
| Catchment Area In Sqkm | 77 |
| Main Usage | Water supply |
| Status | 3: Fair |
| Longitude | -124.40875 |
| Latitude | 49.075417 |
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