Hume Dam

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Hume Dam
Hume dam.jpg
The Hume Dam and spillway, 2012
Australia New South Wales relief location map.png
Red pog.svg
Location of the Hume Dam in
New South Wales
CountryAustralia
Location Riverina, New South Wales
Coordinates 36°06′30″S147°01′52″E / 36.10833°S 147.03111°E / -36.10833; 147.03111
Purpose Flood mitigation, hydro-power, irrigation, water supply and conservation
StatusOperational
Construction began1919 (1919)
Opening date1936 (1936)
Construction cost A£2.1 million [1]
Owner(s) Murray-Darling Basin Authority
Dam and spillways
Type of dam Gravity dam
Impounds Murray River
Height51 metres (167 ft)
Length1,615 metres (5,299 ft)
Spillways 29
Spillway type Vertical undershot gated concrete overflow
Spillway capacity7,929 cubic metres per second (280,000 cu ft/s)
Reservoir
CreatesLake Hume
Total capacity3,036,500 megalitres (2,461,700 acre⋅ft)
Active capacity1,417,188 megalitres (1,148,933 acre⋅ft)
Inactive capacity1,619,312 megalitres (1,312,798 acre⋅ft)
Catchment area 15,300 square kilometres (5,900 sq mi)
Surface area20,190 hectares (49,900 acres)
Maximum water depth40 metres (130 ft)
Normal elevation192 metres (630 ft) AHD
Power Station
Operator(s) Eraring Energy
Commission date1957 (1957)
Type Conventional
Turbines 2
Installed capacity 58 megawatts (78,000 hp)
Annual generation 220 gigawatt-hours (790 TJ)
Website
Hume Dam at www.statewater.com.au

Hume Dam, formerly the Hume Weir, is a major dam across the Murray River downstream of its junction with the Mitta River in the Riverina region of New South Wales, Australia. The dam's purpose includes flood mitigation, hydro-power, irrigation, water supply and conservation. The impounded reservoir is called Lake Hume, formerly the Hume Reservoir. It is a gated concrete gravity dam with four earth embankments and twenty-nine vertical undershot gated concrete overflow spillways.

Contents

Location

Constructed over a 17-year period between 1919 and 1936, [2] the Hume Dam is located approximately 11 kilometres (6.8 mi) east of the city of Albury. The dam was built, involving a workforce of thousands, by a consortium of NSW and Victorian government agencies that included the Water Resources Commission of New South Wales, the Public Works Department of New South Wales, and the State Rivers and Water Supply Commission of Victoria. [3]

Supplies to the construction site were delivered via rail, through the construction of a branch siding from the Wodonga – Cudgewa railway. Hume Dam is jointly managed by Victorian and New South Wales authorities on behalf of the Murray-Darling Basin Authority. Goulburn-Murray Water manages water and land located in Victoria, and the New South Wales State Water Corporation is responsible for day-to-day operation and maintenance and the management of major remedial works at the dam. [4]

Description

The dam is a mix of a concrete gravity dam with four earth embankments. The dam wall height is 51 metres (167 ft). The crest is 1,615 metres (5,299 ft) long, with the auxiliary embankments extending a further 1,010 metres (3,310 ft). The maximum water elevation above sea level is 194 metres (636 ft). At 100% capacity the dam wall holds back 3,005,157 megalitres (106,126.1×10^6 cu ft) of water at 194 metres (636 ft) AHD. [5] [6]

The surface area of Lake Hume is 20,190 hectares (49,900 acres). The catchment area is 15,300 square kilometres (5,900 sq mi). The dam wall is constructed of rock covered with clay and other earth and is designed to carry vehicular traffic. A controlled concrete spillway has a gated concrete overflow, with twenty-nine vertical undershot gates, is capable of discharging 7,929 cubic metres per second (280,000 cu ft/s). [5] [6]

Water is retained nearly 40 kilometres (25 mi) upstream of the reservoir in the valleys of both the Murray and Mitta Mitta rivers.[ citation needed ]

The dam wall was extended during the 1950s, and completed in 1961, [6] necessitating the wholesale removal of Tallangatta township and its re-establishment at a new site 8 kilometres (5.0 mi) west of the original, [7] as well as the raising of the Bethanga Bridge. [8] Monitoring of the dam in the early 1990s revealed that the water pressure and leakage had caused the dam to move on its foundations slightly, leading to concerns that the dam was heading for collapse, threatening Albury-Wodonga and the entire Murray basin. Authorities denied any short-term threat. [9]

Traffic was banned from the spillway, and remedial work began involving, in part, the construction of a secondary earth wall behind the original to take the strain. Further upgrades to the dam at an estimated cost of A$60 million began in 2007 and were completed in 2013. These works include the installation of an improved filter and drainage system on the junction between the concrete spillway and southern embankment, construction of a concrete buttress on the southern training wall, and possible modifications to improve the ability of the dam to manage extreme floods. [9]

Power station

Hume Power Station, 2011 Hume Power Station.JPG
Hume Power Station, 2011

The Hume Power Station is a 58 megawatts (78,000 hp) hydro-electric power station installed in the dam wall, and is primarily used for peak-load generation. The station has an average annual output of 220 gigawatt-hours (790 TJ). [3] The power station has two 29 megawatts (39,000 hp) turbines and is operated by Meridian Energy. In October 2012, a high voltage transformer at the power station caught fire, requiring more than fifty fire fighters who worked into the long hours of the night to put the blaze out. [10] [11]

The power station was completed in 1957, running two 25 megawatts (34,000 hp) turbines. In 2000, these turbines were each upgraded to 29 megawatts (39,000 hp). [12] [13]

Etymology

Originally named the Mitta Mitta Dam site, following representations from the Municipal Council of Albury, on 17 February 1920 the River Murray Commission decided to honour Hamilton Hume, who, in company with William Hovell, was one of the first Europeans to see and cross the Murray River in 1824. In 1920, the reservoir was named the Hume Reservoir and the dam adopted the name of the Hume Weir, the name given by the Victorian Place Names Committee. Following a proposal from Hume Shire Council, in 1996 both the NSW and Victorian governments agreed that the dam should be named the Hume Dam, [2] [4] and the reservoir be named Lake Hume. [14]

Lake Hume

Lake Hume, 2014 Lake Hume from the air in summer.JPG
Lake Hume, 2014
The dam's easy accessibility makes it a popular place to visit. Hume Dam 1 Stevage.jpeg
The dam's easy accessibility makes it a popular place to visit.

Lake Hume is estimated to hold approximately six times the volume of water in Sydney Harbour. [5] The small towns of Tallangatta, Bonegilla and Bellbridge are located on the shores of Lake Hume. The reservoir is often referred to as the Hume Weir, and was named Lake Hume in the mid-1980s.

Reservoir levels

Lake Hume was the furthest upstream of the major reservoirs on the Murray River system, before the Dartmouth Dam was built further up the Mitta Mitta River to provide improved buffering during prolonged dry spells. The Hume Dam has the capacity to release water at the fastest rate. Irrigation authorities use the reservoir as the storage of first resort. Typically, the reservoir had fallen to less than one-third of its capacity by March each year. In normal years, it refills to at least two-thirds of its capacity before November. [4]

Australia's highly unpredictable climatic conditions cause those norms to vary quite significantly from year to year. [4] In 2007, during the Millennium Drought, Lake Hume fell to 1% capacity, barely more than the water in the Murray and Mitta Mitta rivers flowing through on their original paths. Between 2010 and April 2013, the lowest storage level was in the range of 500,000 megalitres (18,000×10^6 cu ft). [15]

Recreation

The lake is stocked with fish. Most of these are introduced species – carp, redfin and trout though native species such as Golden Perch and Murray Cod can also be found. The fishing varies from year to year. It is also popular for water skiing, and several holiday resorts catering for fishing and skiers are dotted around the upper reaches of the lake. [5] An annual Canoe marathon race the 'Frank Harrison Classic' is run on the river beginning below the dam each February and attracts competitors from across Australia.

Impact on the ecology of the Murray River

The construction of Hume Dam has caused significant changes to the flow patterns and ecology of the Murray River. Before the construction of the Hume Weir, flows in normal, non-drought years were low in summer and autumn, though still significant overall, rising in winter due to seasonal rainfall and reaching a flood-peak in late spring due to snow-melt in the Murray and its tributaries' alpine headwaters. The flow is now effectively reversed, with low flows in winter and sustained, relatively high flows in late spring, summer and early autumn to meet irrigation demands. The spring flood peak has been virtually eliminated. [16]

The water released from the base of the Hume Weir is unnaturally cold, at least 10 °C (18 °F) colder than it naturally should be. [16] This flow reversal, temperature depression, and removal of the spring flood peak, has led to the drying out and loss of many billabongs and has harmed the populations of native fish of the Murray River such as the iconic Murray Cod [17] [18] and the freshwater catfish, which can no longer be found downstream of the dam as far as Yarrawonga, where it had previously been recorded up until the 1960s. [16]

Engineering heritage

The dam is part of the Engineering Works of the River Murray that are listed as a National Engineering Landmark by Engineers Australia, as part of its Engineering Heritage Recognition Program. [19]

Hume Weir Football Club

The Hume Weir FC was established in 1921, mainly from footballers working on the construction of the new weir. The club initially played in the Albury & Border Football Association from 1921 to 1923, wearing black and white striped jumpers. Andrew Mafferzoni was the club's initial coach in 1921 [20] and they played at the "Weir Ground". [21] Hume Weir won the Albury & Border FA premiership in 1922 [22] [23] [24] and 1923. [25] [26] [27]

In 1924, Hume Weir joined the Ovens and Murray Football League (O&MFL) and played there until 1929. Percy Jones kicked 104 goals for Hume Weir in 1928 [28] before being lured to Geelong in 1929. As part of being admitted into the O&MFL in 1924, Hume Weir agreed to play their home games at the Wodonga Racecourse Oval. [29] Hume Weir were runners up to Wangaratta in 1925 [30] and were coached by Tim Archer. In 1927, Hume Weir played their home games at Wodonga Park. [31]

In 1930, Hume Weir merged with Ebden Rovers Football Club to become the Weir United Football Club. Weir United won the 1930 [32] and 1931 [33] O&MFL premierships.

In 1933, East Albury Football Club and Weir United Football Club merged to become the Border United Football Club (Albury based). They wore green and white jumpers. [34] They played in and lost the 1933 O&MFL grand final to Wangaratta. [35] In 1935, they lost the O&MFL grand final to Rutherglen. [36]

In 1936, Border United FC (Albury based) merged with the Albury Football Club and became known as Albury FC. [37]

Albury FC played in the 1937, 1939 and 1940 O&MFL grand finals. Immediately after the World War II recess, Albury played in the 1946, 1947 and 1948 O&MFL grand finals.

Sailing on Hume Dam

In 1958, a group of enthusiastic sailors established a Sailing Club and started to run regular regattas.

The sailing club has since grown and is now known as the Albury Wodonga Yacht Club (AWYC). The club offers sail training for children and adults, and regular weekend racing. Once a year, on the first weekend in November, AWYC runs SailCountry, a large regatta which attracts entrants from all over Australia.

See also

Related Research Articles

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<span class="mw-page-title-main">Dartmouth Dam</span> Dam in Victoria

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<span class="mw-page-title-main">Albury</span> City in New South Wales, Australia

Albury is a major regional city that is located in the Murray region of New South Wales, Australia. It is part of the twin city of Albury-Wodonga and is located on the Hume Highway and the northern side of the Murray River. Albury is the seat of local government for the council area which also bears the city's name – the City of Albury. It is on the Victoria–New South Wales border.

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<span class="mw-page-title-main">Hume Football Netball League</span>

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References

  1. ↑ "£2m. Hume Weir Power Station". The Advertiser . National Library of Australia. 27 January 1949. p. 1. Retrieved 19 April 2013.
  2. 1 2 "Hume Dam". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales . Retrieved 19 April 2013. OOjs UI icon edit-ltr-progressive.svg
  3. 1 2 "Register of Large Dams in Australia". Dams information. The Australian National Committee on Large Dams Incorporated. 2010. Archived from the original (Excel (requires download)) on 12 December 2013. Retrieved 16 April 2013.
  4. 1 2 3 4 "Hume Dam". Water Resources: Water Storages: Murray. Goulburn-Murray Water. 2013. Archived from the original on 20 April 2013. Retrieved 19 April 2013.
  5. 1 2 3 4 "Hume Dam" (PDF). State Water Corporation. 2009. Archived from the original (PDF brochure) on 4 March 2016. Retrieved 19 April 2013.
  6. 1 2 3 "Hume Dam". Water delivery: dams. State Water Corporation. Archived from the original on 10 April 2013. Retrieved 19 April 2013.
  7. ↑ Brown, Annie (5 August 2016). "Tallangatta marks six decades since it became the town that moved". ABC Goulburn Murray . Retrieved 27 June 2023.
  8. ↑ Hume Dam (Plaque next to the dam). The Institution of Engineers, Australia. The doubling of its storage in 1961 to 3 million megalitres involved a large number of post-war migrants, the relocation of Tallangatta township and the raising of Bethanga Bridge.
  9. 1 2 "Hume Dam upgrade works". Projects: Dam safety upgrades. State Water Corporation. Archived from the original on 10 April 2013. Retrieved 19 April 2013.
  10. ↑ Smethurst, Annika (14 October 2012). "Fire blazes at Lake Hume Power Station". Herald Sun . Retrieved 19 April 2013.
  11. ↑ McNay, Nigel (15 October 2012). "Smoke on the water: Hume Weir fire". The Border Mail . Retrieved 19 April 2013.
  12. ↑ "Hume". Generation Portfolio: Hydro Power Stations. Eraring Energy. 18 April 2013. Retrieved 19 April 2013.
  13. ↑ "AEMO Registration List". Archived from the original on 24 February 2012. Retrieved 1 March 2015.
  14. ↑ "Lake Hume". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales . Retrieved 19 April 2013. OOjs UI icon edit-ltr-progressive.svg
  15. ↑ "Hume Dam: Historical Water Storage Data". Water Resources: Water Storages: Murray. Goulburn-Murray Water. April 2013. Retrieved 19 April 2013.
  16. 1 2 3 NSW Cold Water Pollution Interagency Group (2012) Cold Water Pollution Strategy in NSW – report on the implementation of stage one, NSW Department of Primary Industries, a division of NSW Department of Trade and Investment, Regional Infrastructure and Services, Sydney, New South Wales, ISBN   9781742563107
  17. ↑ Norman Mackay; David Eastburn, eds. (1990). The Murray. Canberra, Australia: Murray-Darling Basin Commission. ISBN   1-875209-05-0.
  18. ↑ Lugg, A. & Copeland, C. (2014). "Review of cold water pollution in the Murray–Darling Basin and the impacts on fish communities". Ecological Management and Restoration. 15 (1): 71–79. Bibcode:2014EcoMR..15...71L. doi:10.1111/emr.12074.
  19. ↑ "Engineering Works of the River Murray, 1922-". Engineers Australia. Retrieved 27 April 2020.
  20. ↑ "1922 – Tempting Offers Refused". Weekly Times (Melbourne, Vic). 26 August 1922. p. 66. Retrieved 7 September 2021.
  21. ↑ "1921 – Hume Weir v Albury". The Albury Banner and Wodonga Express (NSW). 22 July 1921. p. 42. Retrieved 7 September 2021.
  22. ↑ "1922 – Football: Hume Weir v Albury". The Albury Banner and Wodonga Express (NSW). 8 September 1922. p. 43. Retrieved 7 September 2021.
  23. ↑ "1922 – PADDINGTON AND NEWTOWN IN SYDNEY FINAL". Referee (Sydney, NSW : 1886 – 1939). 6 September 1922. p. 12. Retrieved 7 September 2021.
  24. ↑ "1922 – Hume Weir". The Albury Banner and Wodonga Express (NSW). 15 September 1922. p. 41. Retrieved 7 September 2021.
  25. ↑ "On the Border". Referee (Sydney, NSW). 5 September 1923. p. 13. Retrieved 7 September 2021.
  26. ↑ "1923 – Country Sport: Football". The Daily Telegraph. (Sydney, NSW). 4 September 1923. p. 11. Retrieved 7 September 2021.
  27. ↑ "1923 – Hume Weir Football Team Entertained". The Albury Banner and Wodonga Express (NSW). 19 October 1923. p. 25. Retrieved 7 September 2021.
  28. ↑ "1928 – ST. PATRICK'S AGAIN". Weekly Times. 18 August 1928. p. 77. Retrieved 18 June 2021.
  29. ↑ "1924 – Hume Weir FC". Wodonga and Towong Sentinel (Vic). 18 April 1924. p. 2. Retrieved 7 September 2021.
  30. ↑ "1925 – Wangaratta wins Premiership". Daily Advertiser (Wagga Wagga, NSW). 14 September 1925. p. 4. Retrieved 7 September 2021.
  31. ↑ "1927 – Hume Weir v Wangaratta". The Albury Banner and Wodonga Express (NSW). 27 May 1927. p. 2. Retrieved 7 September 2021.
  32. ↑ "1930 – O&MFL Grand Final match review". Trove Newspapers. The Corowa Free Press. 9 September 1930. p. 3.
  33. ↑ "1931 – O&MFL Grand Final match review". Trove Newspapers. The Albury Banner and Wodonga Express. 18 September 1931. p. 38.
  34. ↑ "1933 – Border United entering O & M League". The Albury Banner and Wodonga Express. 3 May 1895. p. 12 – via Trove Newspapers.
  35. ↑ "1933 – O&MFL Grand Final match review". Trove Newspapers. The Albury Banner and Wodonga Express. 22 September 1933. p. 6.
  36. ↑ "1935 – O&MFL Grand Final match review". Trove Newspapers. The Corowa Free Press. 10 September 1935. p. 4.
  37. ↑ "1936 – O&MFA – AGM review". The Corowa Free Press. 31 March 1936. p. 4 – via Trove Newspapers.
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