The Cedar Pocket Dam is a partially concrete gravity and rock and earth-fill embankment dam with an un-gated spillway located across the Deep Creek in the Wide Bay–Burnett region of Queensland, Australia. The main purpose of the dam is for irrigation,[2][3] where the dam provides regulated water supplies along Deep Creek, a tributary of the Mary River.

Cedar Pocket Dam
Cedar Pocket Dam wall and spillway
Cedar Pocket Dam is located in Queensland
Cedar Pocket Dam
Location of the Cedar Pocket Dam
in Queensland
CountryAustralia
LocationWide Bay–Burnett, Queensland
Coordinates26°12′48″S 152°47′31″E / 26.21333°S 152.79194°E / -26.21333; 152.79194
PurposeIrrigation
StatusOperational
Opening date1987 (1987)
Operator(s)SEQ Water
Dam and spillways
Type of damEmbankment dam
ImpoundsDeep Creek
Height20 m (66 ft)
Length117 m (384 ft)
Dam volume8×10^3 m3 (280×10^3 cu ft)
Spillway typeUncontrolled
Spillway capacity1,100 m3/s (39,000 cu ft/s)
Reservoir
Total capacity735 ML (26.0×10^6 cu ft)[1]
Catchment area17.8 km2 (6.9 sq mi)
Surface area22 ha (54 acres)
Maximum water depth12.3 m (40 ft)
Normal elevation101.07 m (331.6 ft) AHD
Website
www.seqwater.com.au

Location and features

edit

The Cedar Pocket Dam is located about 12 km (7.5 mi) east of Gympie.

The dam wall is 20 metres (66 ft) high and 117 metres (384 ft) long and holds back 735 megalitres (26.0×10^6 cu ft) of water when at full capacity. The surface area of the reservoir is 22 hectares (54 acres) and the catchment area is 17.8 square kilometres (6.9 sq mi). The uncontrolled un-gated spillway has a discharge capacity of 1,110 cubic metres per second (39,000 cu ft/s).[1][3] The dam is managed by Seqwater.[4]

Recreation

edit

There is a scenic lookout at Cedar Pocket Dam, however, picnic facilities and public toilets are unavailable.

 
Cedar Pocket Dam at 73.9% capacity, November 2021

References

edit
  1. ^ a b "Cedar Pocket Dam". Water supply: Dams and weirs. Seqwater. 2014. Retrieved 27 June 2014.
  2. ^ Harrison, Rod; James, Ernie; Sully, Chris; Classon, Bill; Eckermann, Joy (2008). Queensland Dams. Bayswater, Victoria: Australian Fishing Network. p. 94. ISBN 978-1-86513-134-4.
  3. ^ a b "Register of Large Dams in Australia". Dams information. Australian National Committee on Large Dams. 2010. Archived from the original (Excel (requires download)) on 12 December 2013. Retrieved 23 June 2014.
  4. ^ "Cedar Pocket Dam Emergency Action Plan" (PDF). Queensland Department of Natural Resources, Mines, and Energy. Archived (PDF) from the original on 13 March 2017.