Water harvesting means capturing rain where it falls or capturing the run-off in the village or town.  Water harvesting is a very good way to capture water and utilise the natural rainfall which would otherwise go to waste.  Gutters and clean drains are required to gather and direct the water to suitable storage tanks and reservoirs. 

Water harvesting can also be done with collection pads from concrete on sides of hills - these are broad, concave pads with a depressed gutter in the centre that capture rain water and funnel it into a tank at the foot of the pad.

There are many different water storage options varying in size.  The bigger the population and scarcity of the water the bigger the tank required. The greater the tank size and distance, the higher the cost. 

          Cost & Impact: High cost to install but very low maintenance cost.  

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