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Document library Hydrology of the Orongorongo Catchment

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  • Environmental monitoring > Rainfall and river levels
  • Title Hydrology of the Orongorongo Catchment
    Date published 1 November 1995
    GWRC Publication No WRC/CI-T-95/192
    Abstract Since 1925, the Orongorongo Catchment has been a vital source of
    potable water to the greater Wellington area. The upper Orongorongo
    Catchment has been closed to public access since the 1920s and, due to
    its undisturbed nature, the upper catchment has a natural high water

    This report has focused on those tributaries used for water supply.
    Rainfall and climate data have also been statistically analysed.
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