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Roof rainwater harvesting

Roof rainwater harvesting is a system where water is stored in an underground water tank. Rainwater flowing over the roof is collected, for example, on galvanised iron roofs. The technology is critical in semi-arid environments where water shortages are common.

The water then runs through gutters and a pipe to the underground water tank. To build the underground tank, the ground is excavated, and within this hole, a drum-like feature is built with concrete bricks and mortar, is then sealed and given an opening with a lid. Water is available for multiple purposes, until the following rainy season.

Land use type
Grazing land
Technology group
Water management
Type of land degradation addressed
Water degradation
Roof rainwater harvesting