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Groundwater Contamination by Sewage and Sanitation Systems on Tropical Islands (1996)

This report provides a range of measures which can be adapted by local communities to meet their needs for safe water supplies, and give assurance of this, at reasonable costs.

Contamination by sewage threatens the use of groundwater as a drinking water supply on small, low-lying tropical islands. This document* provides a review of the extent of groundwater pollution by sanitation systems, the design of sanitation systems, the nature of contaminants in sewage, their fate in the subsurface environment including factors affecting their attenuation, and the methods which have been used to study the movement of sewage contaminants in groundwater. The report concludes with a summary of the options for managing this problem, including criteria for establishing common sewerage systems; well-head protection policy options; siting, design and maintenance of sanitation systems; monitoring procedures related to objectives, treatment of water supplies; and public education and action programmes.

Start date 04-10-2005 11:00 am
End Date 04-10-2005 11:00 am
Website (url) *Dillon, P. 1996. Groundwater Pollution by Sanitation on Tropical Islands. IHP-V Technical Documents in Hydrology No. 6. UNESCO, Paris. 34 pages

 
 
 
 
 

 

 

 

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