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Wellington Region

Hutt River at Birchville

The Hutt River is one of the largest in the Wellington Region, with a catchment area of 655 square kilometres. Starting in the Rimutaka Range, the river flows through the Hutt Valley past Upper Hutt and Hutt cities before discharging into Wellington Harbour at Petone.

The Hutt River is very popular for swimming, trout fishing and other recreational activities. It is also a major source of drinking water for the Wellington Region, providing water to around 400,000 residents

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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    Other notable measurements

    Droughts Month/Year Flow
    February 1978 1.557
    Floods Month/Year Flow
    January 2005 1382

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