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Water Portal / Rainwater Harvesting / Groundwater recharge / Sand dam

1 byte added, 20:57, 30 March 2012

→‎Suitable conditions

- Regeneration of vegetation along riverbanks <br>

- Sand dam effects on downstream river discharge are generally small (< 10% of runoff). <br>

- Better water quality than surface water dams: protect protects the water against evaporation, animal contamination and insect & bacteria breeding. <br>

- Sand deposits can be collected and sold for extra income. <br>

- Long lifespan if maintained correctly.

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