Somerset Dam

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Script error: No such module "about". Template:Use dmy dates Template:Use Australian English Script error: No such module "Type in location".Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters".Template:Main other The Somerset Dam is a mass concrete gravity dam with a gated spillway across the Stanley River in Queensland, Australia. It is within the locality of Somerset Dam in the Somerset Region in South East Queensland. The main purpose of the dam is the supply of potable water for the Brisbane, Gold Coast and Logan City regions. Additionally, the dam provides for flood mitigation, recreation and for the generation of hydroelectricity.[1] The impounded reservoir is called Lake Somerset.

As early as the 1960s it had become clear that the dam could not meet the water requirements of the region by the 1980s.[2]

The dam, lake and surrounding village of Somerset are named in honour of Henry Plantagenet Somerset, a local grazier and Member of the Legislative Assembly of Queensland who represented the seat of Stanley[3] from 1904 until 1920.

Location and features

File:CampingSomerset.JPG
Camping near Lake Somerset.
File:Somerset Dam 2 Villeneuve Queensland.jpg
Lake Somerset at 100% capacity, Villeneuve, 2015

The dam is located approximately Template:Convert northwest of Template:QLDcity in the Somerset Region and Template:Convert north of Template:QLDcity.

The concrete dam structure is Template:Convert high and Template:Convert long. The Template:Convert dam wall holds back the Template:Convert[3] reservoir when at full capacity. However, only Template:Convert is used for water supply and the remainder used for flood mitigation. From a catchment area of Template:Convert that includes much of the western slopes of the D'Aguilar National Park, the dam creates Lake Somerset at an elevation of Template:Convert above sea level, with a surface area of Template:Convert. The gated spillway has a discharge capacity of Template:Convert.[1] Built under the supervision of the Bureau of Industry, management of the dam was transferred to SEQ Water in July 2008 as part of a water security project in the South East Queensland region, known as the South East Queensland Water Grid.[4] A small Template:Convert hydroelectric power station is located adjacent to the dam wall.

A water level of 90% is the optimum capacity for keeping evaporation rates to a minimum. Dam operators discharge water into the Wivenhoe Dam downstream to hold Somerset at this level when inflows are occurring.[5]

The dam is home to the Somerset Dam Power Station.

Construction

The site was first suggested for the location of a dam by Henry Somerset, the owner of Caboonbah Homestead, after the 1893 Brisbane floods caused severe damage to Brisbane River valley residents downstream.[6] A commission of enquiry recommended Stanley Gorge as the site for a dam in 1928, but it was not until 1933 when Brisbane was in a severe drought,[2] that the Forgan Smith Labor Government adopted the reservoir's construction as a major job creation project to counter job losses caused by the Great Depression.[6]

Construction began in 1935.[6] Worker's cottages had to be built and other facilities were constructed to attract 1,000 construction workers and their families to the area.[6] By 1942 the dam was almost complete when workers were diverted to the war effort, with many being redeployed to construct the Cairncross Dockyard in Brisbane. Work on the dam recommenced in 1948.[7] Opened in 1953 when structural work was finished, it was not until 1958 that the dam was officially named after Henry Somerset and the next year before all work related to the dam, including the hydroelectric power station was complete.[6][7]

Recreation

File:SomersetCampingQLD.JPG
Camping at Lake Somerset.

There are two public access areas on Somerset Dam, Kirkleigh and The Spit. Both locations have multi-lane, concrete boat ramps with facilities for day-trippers.[8] Camping is permitted and caravans are catered for at Kirkleigh and below the dam wall at Somerset Park in the small town of Somerset Dam. During busy periods the two camping locations can be filled to capacity with room for a maximum of 2,200 campers at Kirkleigh and 800 at Somerset Park.[9] Lake Somerset Holiday Park's Kirkleigh campground also features cabin accommodation at the waterfront and direct access to the dam from a grassy spit.[10] The dam contains Template:Convert of navigable waterway.[8]

Fishing

The lake is a popular fishing destination, one of the top five fishing spots in the state.[8] Fish species found in the dam include Australian bass, golden perch, silver perch, bony bream, eel-tailed catfish, spangled perch, Mary River cod, snub nosed gar, Queensland lungfish and saratoga.[8][11] A stocked impoundment permit is required to fish in the dam.[12]

File:SomersetFromAbove.JPG
A view of Lake Somerset

Engineering heritage award

The dam is listed as an Engineering Heritage National Landmark by Engineers Australia as part of its Engineering Heritage Recognition Program.[13]

See also

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References

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Further reading

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External links

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  1. ↑ a b Script error: No such module "citation/CS1".
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  3. ↑ a b Script error: No such module "citation/CS1".
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  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ a b c d e Script error: No such module "citation/CS1".
  7. ↑ a b Script error: No such module "citation/CS1".
  8. ↑ a b c d Script error: No such module "citation/CS1".
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  13. ↑ Script error: No such module "citation/CS1".
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