This National Water, Sanitation and Climate Outlook is a document that can be used to inform
This report from 1992 (one of a series of reports from the Tonga Water Supply Master Plan Study) presents the findings of a recent water resources study of the islands in the Kingdom of Tonga. It summarises previous work, documents recent and current investigations and recommends further investigations to gain a better understanding of the water resources. It also outlines details of a proposed national monitoring and protection programme and makes recommendations about legislation for water resource management and protection.
Different reports on freshwater supply, groundwater pertaining to Lifuka of Ha'apai, Tonga.
Various reports relating to water source, groundwater, boreholes etc in Tongatapu.