|Location||12km west of Warwick|
|Primary outflows||Sandy Creek|
|Catchment area||603 km2 (233 sq mi)|
|Surface area||1,288 ha (3,180 acres)|
|Max. depth||28.9 m (95 ft)|
|Water volume||106,200 ML (86,100 acre·ft)|
|Surface elevation||472.4 m (1,550 ft)|
The dam was named after Patrick Leslie (1815–1881), an early settler in the region and the first person to buy land in Warwick.
SunWater is undertaking a dam spillway capacity upgrade program to ensure a consistently high level of safety for the dams under their control, including the Leslie. The spillway will be upgraded in the longer term.
The dam was extended in 1986, increasing capacity by 100%. The dam's highest level was reached on 12 September 1988 when waters in the dam peaked at 20 cm above the spillway. The next highest level was 13 cm above the spillway on the 28 May 1990. On 11 February 1995, the dam reached its lowest level ever of 3% capacity.
On the night of 5 January 2011, the dam spilled for the first time in more than two decades. All seven floodgates were opened. The resulting high waters in Sandy Creek closed the Cunningham Highway. The following day SunWater reduced the release rate after requests by Warwick's mayor.
A Stocked Impoundment Permit is required to fish in the dam.
- Sunwater Current Water Storage Information
- Spillway Capacity Upgrade Program Archived February 13, 2008, at the Wayback Machine.
- Jeremy Sollars and Casandra Garvey (7 January 2011). "Highway to west re-opened". Warwick Daily News. The Warwick Newspaper Pty Limited. Retrieved 22 March 2011.
- Fishing in Queensland dams? You may need a permit. Archived August 29, 2007, at the Wayback Machine.
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