Vavuni Kulam

Vavuni Kulam (Tamil: வவுனி குளம் Vavuṉi Kuḷam) is an irrigation tank in northern Sri Lanka, approximately 2 mi (3 km) south east of Mallavi.

This article is about the irrigation tank. For the village, see Vavunikulam.
Vavuni Kulam
Vavuni Kulam
Location within Northern Province
Vavuni Kulam
Vavuni Kulam (Sri Lanka)
LocationNorthern Province
Coordinates09°05′19″N 80°20′54″E
TypeArtificial lake
Native nameவவுனி குளம்  (Tamil)
River sourcesPali Aru
Catchment area88 sq mi (228 km2)[1]
Managing agencyDepartment of Irrigation,
Northern Provincial Council
Water volume35,300 acre⋅ft (43,541,909 m3)[1]

History

The tank on Pali Aru was earlier knowns as Peli Vapi.[2] Restoration of the tank, which had a catchment area of 88 sq mi (228 km2), commenced in 1954 with the support of the Australian government.[2]

By the late 1960s the tank's bund was 2 mi (3 km) long and 24 ft (7 m) high whilst the tank's storage capacity was 35,300 acre⋅ft (43,541,909 m3) and its water spread area was 3,150 acres (1,275 ha).[2] There was a 500 ft (152 m) spill on the left bank and two spills on the right bank - 1,200 ft (366 m) and 700 ft (213 m).[2] The left and right bank sluices were each 4 ft by 3 ft 6 in whilst the central sluice had a diameter of 18 in.[2] By 2014 the tank was capable of irrigating 6,900 acres (2,792 ha).[1]

gollark: Also they're entirely reliant on the city for electricity and water and stuff.
gollark: Context: you can't really grow food on tiny bits of soil on cardboard. You can't really grow much food on the tiny plots. You can't grow food fast enough for it to be useful in your "commune" in the middle of a city. You probably can't grow enough food *at all* in that area to feed the sort of population density cities typically have. You definitely can't really do it without much farming equipment and by just making a few tiny soil bits with plants in them.
gollark: Yes, exactly.
gollark: https://twitter.com/tweetbrettmac/status/1270983562226012161?s=12
gollark: * stupider

References
  1. Statistical Information of the Northern Province - 2014. Northern Provincial Council. p. 93.
  2. Arumugam, S. (1969). Water Resources of Ceylon (PDF). Water Resources Board. p. 300.


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