by Delgollage Senevirathne, Assistant General Manager (Sociologist) at the National Water Supply & Drainage Board (NWSDB), Sri Lanka.
(8) The social consequences of failure to control excessive ground water extraction
There are many instances where excessive groundwater extraction affects the availability of groundwater for other users leading to social consequences. Over extraction of ground water from a plot of land has a negative impact on the use of groundwater from the adjacent land users in case of simultaneous extractions are affected. If one party continuously extracts groundwater it will impact the aquifer and will become unsustainable in recharge levels.
In Sri Lanka, there is no legal provision to control use/ extraction of groundwater in terms of quantity and quality parameters. Hence there is a need to introduce controlling legislation to manage the groundwater resources which is impacting on social consequences. Continue reading “Social Dimension of Water Resource Management in Sri Lanka – Part 5”