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Glenlyon Dam, also known as Pike Creek Reservoir, is an earth and rockfill dam in Queensland near the border with New South Wales, roughly between Stanthorpe and Texas to the west.[1] From 1972 to 1976, the dam wall was built on Pike Creek, a tributary of the Dumaresq River, 5 km (3.1 mi) upstream from the confluence of the Mole River and the Severn River branching from the Dumaresq. Its impoundment is known as Lake Glenlyon.[2][3]
| Pike Creek Reservoir | |
|---|---|
 | |
  Pike Creek Reservoir | |
| Location | Queensland |
| Coordinates | 28.9698°S 151.465°E / -28.9698; 151.465][[Category:Pages using gadget WikiMiniAtlas]]"},"html":"Coordinates: </templatestyles>\"}' data-mw='{\"name\":\"templatestyles\",\"attrs\":{\"src\":\"Module:Coordinates/styles.css\"},\"body\":{\"extsrc\":\"\"}}'/>28°58′11″S 151°27′54″E / 28.9698°S 151.465°E"}"> |
| Type | reservoir |
| Primary inflows | Pike Creek |
| Primary outflows | Pike Creek |
| Catchment area | 1,295 km2 (500 sq mi) |
| Basin countries | Australia |
| Surface area | 1,800 ha (4,400 acres) |
| Average depth | 4.3 m (14 ft) |
| Water volume | 254,000 ML (9,000×106 cu ft) |
The dam has a capacity of 253,000 megalitres,[3] a catchment area of 1,295 square kilometres and covers an area of 1,750 hectares at full supply level.
Glenlyon Dam provides water for irrigation of grain and fodder crops. It is managed by SunWater. Swimming, fishing, boating and water skiing are all permitted, with no restrictions on boating except near the dam wall.[4] Two boat ramps facilitate access for boating. In the upper reaches of feeder creeks, there are large areas of standing timber and submerged logs.[5]
In December 1994, the dam reached a critically low level of 2.2% and the next year it rose to just 12% of capacity during a series of droughts in Australia.[6] The dam reached a peak of 110.78% on January 12, 2011, during the 2010–2011 Queensland floods.[7]
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The dam is stocked with golden perch, murray cod and silver perch while spangled perch, bony bream and eel-tailed catfish breed naturally.[5] A Stocked Impoundment Permit is required to fish in the dam.[8]
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