| Cooloolabin Dam | |
| Pushpin Map: | Queensland |
| Location: | Northwest of Nambour, Queensland |
| Coords: | -26.5503°N 152.88°W |
| Type: | Reservoir |
| Inflow: | South Maroochy River |
| Catchment: | 8.1km2 |
| Basin Countries: | Australia |
| Area: | 220ha |
| Volume: | 8183ML |
Cooloolabin Dam is a concrete gravity dam on Rocky Creek located to the west of Yandina in the headwaters of the South Maroochy River waterway. The main dam wall is 19m (62feet) high and long, the five saddle dams total in length. The dam was completed in 1979 with a capacity of 13600ML and overflowed for the first time in 1988. As part of the seqwater Dam Improvement Program, a section of the spillway was cut away in 2015 to lower the spillway by, reducing the full supply capacity to 8183ML.[1] [2]