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Table 1: Summary of groundwater basins

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Basin

Approx. Basin Area (km2)

Surface Water Features

Tekapo Basin

644.7

Tekapo and Grays Rivers and tributaries, Mary Burn, Irishman Creek

Twizel Basin

685.1

Pukaki, Twizel, Tekapo and lower Ohau Rivers, and adjacent lakes Ohau, Ruataniwha and upper Benmore

Upper Omarama Basin

55.6

Hen Burn and Quail Burn Streams

Omarama Basin

196.2

Ahuriri River and Omarama Stream

Benmore Terrace

28.4

Otamatapaio River

Aviemore (Waitangi) and Waitaki flats

34.9

Waitangi Stream, Lakes Aviemore and Waitaki

Hakataramea Valley

336.1

Hakataramea River

Waitaki Valley (Kurow - Black Point) north bank

28.5

Penticotico Stream

Waitaki Valley (Kurow - Black Point) south bank

60.7

various streams including Otekaieke River

Maerewhenua Basin

22.5

Maerewhenua River

Papakaio Formation

111.3

Awamoko and Waiareka Streams

Lower Waitaki Plains - Waitaki (Otago)

179.6

Awamoko and Waikoura-Henderson Streams, Welcome Creek

Lower Waitaki Plains - Glenavy (Canterbury)

157

Waikahiki Stream

 

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