Rainwater Harvesting Feasibility

Water quality and supply in urban areas of South Tarawa and Kiritimati are a significant issue due to periodic storm surges and droughts, with the majority of water obtained from groundwater lenses through the use of shallow wells.  Due to the lack of sewage treatment on the islands, groundwater supplies are commonly contaminated.  Well water testing carried out in late 2009 found that all water tested from samples in Betio and Bairiki, villages within South Tarawa, showed positive faecal coliform results.  Infants are particularly vulnerable to water-borne diseases, with a reported four infants/children dying due to diarrhea disease every month in South Tarawa.  These issues are compounded by an increasing population drift from the outer islands to urban areas of South Tarawa in particular.

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