Lake Whakamaru

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Lake Whakamaru
Looking north to the lake and the dam
Looking north to the lake and the dam
Location: south of Tokoroa in the Waikato region , North Island , New Zealand
Tributaries: Waikato River
Drain: Waikato River
Lake Whakamaru (New Zealand)
Lake Whakamaru
Coordinates 38 ° 26 '13 "  S , 175 ° 50' 3"  E Coordinates: 38 ° 26 '13 "  S , 175 ° 50' 3"  O
Data on the structure
Lock type: Gravity dam
Construction time: until 1956
Height of the barrier structure : 56 m
Crown length: 337 m
Crown width: 9.1 m
Base width: 18 m
Power plant output: 100 MW
Operator: Mercury NZ Limited
Data on the reservoir
Altitude (at congestion destination ) 224.35 m - 226.75 m
Water surface 7.4 km²
Reservoir length 15 km
Reservoir width 910 m
Maximum depth 36 m
Catchment area 572 km²
Lake Whakamaru 2.jpg
Looking southeast of the lake and Pokuro Road North

The Lake Whakamaru is the river system of the Waikato River belonging Reservoir on the North Island of New Zealand .

Origin of name

" Whakamaru " continues in the language of the Māori of the words " whaka " and " maru " together and literally means something like, "Protection type" , or "protect" .

geography

The 7.4 km² large Lake Whakamaru is located around 25 km north of Lake Taupo and around 20 km south of the city of Tokoroa , embedded in a mountain landscape up to almost 700  m high. The lake is 15 km long and varies in width between 60 and 910 m. The height of the lake varies between 224.35 m and 226.75 m, depending on the water level, with a maximum lake depth of 36 m. Its immediate water catchment area is 572 km 2 .

The reservoir can be reached via the New Zealand State Highway 30 , which accompanies the water on its north side, and via the New Zealand State Highway 32 , which leads directly over the dam of the lake.

Administratively, the lake belongs to the Waikato region .

The Lake Whakamaru follow one after the reservoirs Lake Maraetai , Lake Waipapa , Lake Arapuni and Lake Karapiro , the reservoirs Lake Atiamuri , Lake Ohakuri and Lake Aratiatia go ahead of him.

history

The reservoir and the associated hydropower plant were put into operation in 1956 with a nominal output of 100  MW . The operator of the hydropower plant is the majority state-owned company Mercury NZ Limited .

Panoramic photo

View to the northeast of the lake

See also

literature

  • CHD Magadza : Physical and chemical limnology of six hydroelectric lakes on the Waikato River, 1970-72 . In: New Zealand Journal of Marine and Freshwater Research . Vol. 13, Issue 4 , 1979, pp. 561-572 , doi : 10.1080 / 00288330.1979.9515835 (English).
  • Tracey Edwards, Mary de Winton, John Clayton : Assessment of the ecological condition of lakes in the Waikato region using LakeSPI - 2010 . In: Environment Waikato (Ed.): Environment Waikato Technical Report . 2010/24 , June 2010, ISSN  1177-9284 (English).

Web links

Commons : Lake Whakamaru  - collection of images, videos and audio files

Individual evidence

  1. a b c d Topo maps . Land Information New Zealand , accessed January 4, 2020 .
  2. 05. Whakamaru - Overview . Mighty River Power , archived from the original on June 10, 2011 ; accessed on January 6, 2020 (English, original website no longer available).
  3. ^ A b Edwards, Winton, Clayton : Assessment of the ecological condition of lakes in the Waikato region using LakeSPI - 2010 . 2010, p.  4 .
  4. Coordinates and longitudes were determined using Goggle Earth Pro Version 7.3.2.5776 on January 3, 2020
  5. ^ Waikato Lake Levels . Mercury NZ Limited , accessed January 4, 2020 .
  6. Magadza : Physical and chemical limnology of six hydroelectric lakes on the Waikato River, 1970-72 . 1979, p.  572 .
  7. Malcolm McKinnon : Volcanic Plateau place - North and west of Taupō . In: Te Ara - the Encyclopedia of New Zealand . Ministry for Culture & Heritage , May 25, 2015, accessed January 4, 2020 .