In the arid lands of Africa, a lot of rainwater is lost as it falls and flows away. We can harvest a great deal of this water and store it to use when we need it.
The 2 main ways of harvesting rainwater are collecting it from roofs and collecting surface runoff—the water that flows off and when it rains.
When this water is harvested it can be used for farming and domestic activities. After water is harvested from various watersheds, it is conveyed to storage reservoirs.
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