3rd
International Rainwater Cistern Systems Conference
Khon Kaen, Thailand
- January, 1987
Section E: Technology
Paper E.3
Rural Water Supply in The South Pacific
Tony Marjoram
Technology Specialist
Institute of Rural Development
University of the South Pacific
Naku'alofa
Tonga
Abstract
Water supply in the island states of the South Pacific is a
particular problem. The islands are generally very small, with limited and
often non-existent surface water resources. Only the larger volcanic island's
have rivers or streams and reasonably consistent rainfall. The smallest coralline
islands and atolls are forced to rely on even more limited supplies of
groundwater, usually as a freshwater lens in the underlying porous substratum.
More frequently, however, water supply is by rainwater catchment.
This paper will look at the various rainwater catchment
practices in the South Pacific, and the increasing use of ferrocement water
tanks. Particular reference will be made to different tanks and their design,
construction, durability and possible repair. The discussion will consider economic
as well as technological aspects of rainwater catchment systems and
training-extension programmes. Several water supply projects in the region will
be described and discussed. The paper will describe a ferrocement tank built
without formwork that has been developed and propagated by the Institute of
Rural Development.
PDF of full document available
to members (11pp, 570kb)
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