Baroon Pocket Dam

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Baroon Pocket Dam
Sunshine Coast, Queensland - Lake Baroon 2.jpg
Lake and shoreline, 2008
Australia Queensland relief location map.jpg
Red pog.svg
Location of the Baroon Pocket Dam
in Queensland
CountryAustralia
Location South East Queensland
Coordinates 26°42′12″S152°52′5″E / 26.70333°S 152.86806°E / -26.70333; 152.86806
Purpose Water supply
StatusOperational
Opening date1989
Operator(s) SEQ Water
Dam and spillways
Type of dam Embankment dam
ImpoundsObi Obi Creek
Height58 m (190 ft)
Length370 m (1,210 ft)
Dam volume716×10^3 m3 (25.3×10^6 cu ft)
Spillway type Uncontrolled
Spillway capacity1,013 m3/s (35,800 cu ft/s)
Reservoir
CreatesLake Baroon
Total capacity61,000 ML (2,200×10^6 cu ft) [1]
Catchment area 72 km2 (28 sq mi)
Surface area380 ha (940 acres)
Maximum length3.9 km (2.4 mi)
Maximum width1.9 km (1.2 mi)
Maximum water depth15 m (49 ft)
Normal elevation215 m (705 ft) AHD  
Website
www.seqwater.com.au
Aerial panorama of Lake Baroon. June 2023. Aerial panorama of Lake Baroon. June 2023.jpg
Aerial panorama of Lake Baroon. June 2023.
Lake Baroon top down. June 2023 Lake Baroon top down. June 2023.jpg
Lake Baroon top down. June 2023

The Baroon Pocket Dam is a rock and earth-fill embankment dam with an un-gated spillway across the Obi Obi Creek, in North Maleny, Sunshine Coast Region, in South East Queensland, Australia. The main purpose of the dam is for potable water supply. [2] [3] The impounded reservoir is called Lake Baroon. [4]

Contents

Just below the dam is Obi Obi Gorge, one of the few remaining places left where the Mary River cod maintains a wild population. [2] After its initial filling, the dam reached its lowest level between December 2002 and February 2003 at 50% capacity. [5] [6]

History

The name Baroon is the Aboriginal name for the area, which was a meeting place and fighting ground. The name was first recorded by colonists in 1842. [4] [7]

Location and features

Located 7 kilometres (4.3 mi) north of Maleny in the Sunshine Coast region, the dam wall was completed in 1989 over the Obi Obi Creek, Small Creek and several unnamed watercourses.

The dam wall is 58 metres (190 ft) high and 370 metres (1,210 ft) long and holds back 61,000 megalitres (13×10^9 imp gal; 16×10^9 US gal) of water when at full capacity. The surface area of the reservoir is 380 hectares (940 acres) and the catchment area is 72 square kilometres (28 sq mi). The uncontrolled un-gated spillway has a discharge capacity of 1,013 cubic metres per second (35,800 cu ft/s). [1] [3]

Baroon Pocket Dam's primary use is for town water supply for Maroochy and Caloundra. An intake tower allows water to flow from the dam through a 2.5-metre (8.2 ft) wide, 2.5-kilometre (1.6 mi) long tunnel under the Blackall Range. [8] Water is then distributed by UnityWater for a range of purposes. The dam and catchment is managed by Seqwater.

Recreational use and environmental management

Boating

There is a single boat ramp. Camping is not permitted near the lake. There are picnic areas by the lakeside while viewing platforms and a rainforest walking track through Obi Obi Gorge, are located near the spillway. [9] Fossil fuel motors are not allowed on the lake. [2] A council permit, obtainable on site, is required to use an electric outboard motor for the use on dinghies, but not on canoes. [2]

Fishing

Lake Baroon is stocked with bass, Mary River cod, golden perch and silver perch, while eel-tailed catfish and spangled perch are naturally present. [2] A council permit is required to fish in the dam. [10]

Environmental management

Catchment care activities are undertaken by Lake Baroon Catchment Care Group (LBCCG) a community group predominantly funded by SeqWater ($220,000 PA in 2015). The group coordinates protection and remedial works in the catchment and addresses ways to improve water quality. Since its inception in 1992, LBCCG has developed and monitored over $3.5 million of water quality improvement projects, mainly working with local primary producers. [11]

Walking

The rugged Sunshine Coast Hinterland Great Walk takes at least four days to complete. It leaves from Baroon Pocket Dam and traverses 58.8 kilometres (36.5 mi) through the Blackall Range. Baroon lookout, which provides views of Obi Obi Gorge, Baroon Pocket Dam and its catchment, is 2.2 kilometres (1.4 mi) along the walk. [12]

See also

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References

  1. 1 2 "Baroon Pocket Dam". Water supply: Dams and weirs. Seqwater. 2014. Archived from the original on 12 September 2017. Retrieved 26 June 2014.
  2. 1 2 3 4 5 Harrison, Rod; James, Ernie; Sully, Chris; Classon, Bill; Eckermann, Joy (2008). Queensland Dams. Bayswater, Victoria: Australian Fishing Network. pp. 66–67. ISBN   978-1-86513-134-4.
  3. 1 2 "Register of Large Dams in Australia" (Excel (requires download)). Dams information. Australian National Committee on Large Dams. 2010. Archived from the original on 12 December 2013. Retrieved 23 June 2014.
  4. 1 2 "Lake Baroon – reservoir in the Sunshine Coast Region (entry 1702)". Queensland Place Names. Queensland Government . Retrieved 12 September 2020.
  5. ↑ "More rain could spell creek, river flooding". ABC News . Australia. 20 March 2003. Retrieved 26 April 2008.[ permanent dead link ]
  6. ↑ Clark, Gordon (5 June 2006). "Water question mark". Sunshine Coast Daily. Archived from the original on 19 July 2022. Retrieved 26 April 2008.
  7. ↑ "Item ID3410381, Queensland Place Names Act 1988 - Approval of a Place Name. - Mr W.H. Glasson (Lake Baroon)". Queensland State Archives . Retrieved 12 September 2020. — includes a map
  8. ↑ "Water supply". Sunshine Coast Regional Council. Archived from the original on 11 May 2008. Retrieved 30 April 2008.
  9. ↑ "Discover Baroon Pocket Dam". DiscoverMaroochy.com.au. Archived from the original on 22 July 2008. Retrieved 26 April 2008.
  10. ↑ Fishing in Queensland dams? You may need a permit. Archived 29 August 2007 at the Wayback Machine
  11. ↑ "Lake Baroon Catchment Care Group – Working with our community for our waterways". Archived from the original on 19 April 2022. Retrieved 19 July 2022.
  12. ↑ Department of Environment and Science (15 January 2010). "Walking | Sunshine Coast Hinterland Great Walk". Parks and forests | Department of Environment and Science, Queensland. Queensland Government . Retrieved 3 October 2022.
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