Abstract The groundwater circulation is limited in Sri Lanka because nine tenth area of the island is underlain by metamorphic hard rocks which are generally very impermeable. The geoscientists have no choice to construct a tube well at the appropriate location due to the interference of some sociological problems in some areas. Published : 01 October Some problems associated with tube well programmes in Sri Lanka. The main aim of the existing projects is to construct a certain number of tube wells irrespective of the demand for each area.
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