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Wellington Region

Wainuiomata River at Wainui Reservoir

The Wainuiomata River is located to the east of Wellington Harbour, where is rises from the Rimutaka Ranges and flows for 22 kilometres before discharging into the sea on Wellington’s south coast.  The river catchment provides water to four of Wellington’s main centres, and contributes to approximately 15 percent of the region’s water supply.

Flow Data
Scientific data for this flow site
  • Live Flow Data
    Latest sample:
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    Percentage of time flow exceeded
    High flowLess than 5%
    Elevated flow5% to 29%
    Normal flow30% to 69%
    Reduced flow70% to 94%
    Low flow95% to 100%
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    • Last 24 hours
    • Last 7 days
    • Last 30 days
    Flow
    Date

    Key figures

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Bore Site Data
Scientific data for this bore site
  • Current water level
    Latest sample:
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    Percentage of average level
    Very highOver 150%
    Normal to high100% - 150%
    Low to normal50% - 100%
    Very lowLess than 50%
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    • Last 6 months
    • Last 12 months
    Water level
    Date
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    Key figures

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Rainfall Data
Scientific data for this rainfall site
  • Rainfall so far this month
    This month:
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    Rain last month
    Last month:
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    Percentage of monthly median rainfall
    Very wetOver 200%
    Moderately wet111% to 200%
    Near normal90% to 110%
    Moderately dry50% to 90%
    Very dryLess than 50%
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    • Last 7 days
    • Last 30 days
    • Last 12 months
    Rainfall
    Date

    Key figures

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    Notable measurements

    Wettest Month/Year Rainfall
    Wettest day March 1997 229
    Driest Month/Year Rainfall
    Driest 3 month total January 1939 70