Rainwater is collected directly or recharged into the ground to improve ground water storage. Water that is not extracted from ground during rainy days is the water saved.
Major parts of our country have been facing continuous failure of monsoon and consequent deficit of rainfall over the last few years. Also, due to ever increasing population of Sri Lanka, the use of ground water has increased drastically leading to constant depletion of ground water level causing the wells and tube wells to dry up. In some places, excessive heat waves during summer create a situation similar to drought. It is imperative to take adequate measures to meet the drinking water needs of the people in the country besides irrigation and domestic needs.
A typical rain water harvesting system has following components. Catchment is an area where rain is collected, gutters and pipes which used to collect and transport water to the storage tank, filters which are used to filter out the debris that comes with the rooftop water, storage tank and devices to draw water out.Rain water can be harvested for two purposes. They are storing rain water for ready to use in container above or below ground and charged into the soil for withdrawal later. In Urban areas rain water harvested through; Storage tank, Percolation pit, Recharge well, Recharge pit. In Rural areas these systems are used to harvest rain; Run offs tanks, Percolation tanks, Traditional water ponds. More >>>
Location:Cayman Islands
