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How do people on Tongatapu obtain fresh water?
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Because Tongatapu Island is a coral island with a level surface, it lacks surface streams or rivers. Consequently, residents must obtain fresh water through two primary methods:12
- Rain catchments: Water is collected from rainfall, which averages 60 to 70 inches (1,500 to 1,800 mm) annually.2
- Wells: Fresh water is extracted from wells located on the island.2