On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Environmental information

Monitoring, managing, and delivering environmental information from the sky to the sea.

  • Waikato River

    River Environment Classification

    The River Environment Classification (REC) is a database of catchment spatial attributes, summarised for every segment in New Zealand's network of rivers.
  • Lake Castalia on the upper reaches of the Wilkin River North Branch near Wanaka. Image is looking southwest back down the valley.

    Environmental monitoring

    NIWA collects a vast range of environmental information about New Zealand’s environment from the sky to the seafloor.
  • Environmental Information Services

    Service
    NIWA collects and manages significant amounts of New Zealand's environmental data, particularly in the climate, freshwater, marine and atmosphere domains.
  • Stream periphyton monitoring manual

    This manual prescribes a set of sampling and analysis protocols applicable to most of the common stream habitats in New Zealand.
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    Water Quality Monitoring Capabilities

    Research Project
    NIWA provides national capabilities in Water Quality Monitoring.
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    Proud of your plants? 1 June 2017

    News article
    NIWA is doing a nationwide study to discover what makes the best riparian projects. Help us give you the knowledge to make the best riparian management decisions possible by taking our 5 minute survey.
  • Partnering in research grows Māori economy

    Feature story
    NIWA is working alongside Māori to develop gateways to science and technology partnerships that are helping grow the Māori economy.
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    Counting the economic benefits of environmental research

    Feature story
    New Zealand economists and NIWA have counted the economic benefits from investing in environmental research.
  • Unique animal communities may need special protection

    Media release
    New Zealand’s underwater mountains are home to unique animal communities which need careful environmental management, new research reveals.
  • Irrigation Automation

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    Quantum Map - licence

    NIWA Quantum Map is developed by Sourcepole for NIWA, based on Quantum GIS and is released under the same licence and conditions as Quantum GIS.
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    New Zealand: first in the world to catalogue all its species through all of time

    News article
    New Zealand is the first country in the world to catalogue its entire known living and fossil life.