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Almost all of Niue’s water (with the exception of some rainwater harvesting tanks) is supplied by the island’s underground lens. Approximately 80% of this water is used for domestic purposes, 15% for agriculture and 5% for commercial and industrial use. This water is used by an on island population of approximately 900-1400 people. There is strong political and community desire to ensure the long term sustainability of Niue’s water supply and to ensure that it is robust enough to support economic growth in industries like tourism and adapt to possible impacts from climate change.