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Auckland region


The Wairoa monitoring site is located off Tourist Road near Clevedon, in a catchment which is primarily pasture with some native and planted forest.


This site was installed in 1986 and has since been collecting vital river flow data for the region. 

The Wairoa drains into the Clevedon river which in turn flows into the Tamaki Strait.

This is a long term water quality monitoring site, set up to monitor the effects of rural pasture land use.

Flow Data
Scientific data for this flow site
  • Live Flow Data
    Latest sample:
    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%
    Show more information Hide

    • Last 24 hours
    • Last 7 days
    • Last 30 days

    Key figures

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    Other notable measurements

    Droughts Month/Year Flow
    February 1979 0.5
    Floods Month/Year Flow
    February 1985 5.259