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Underground tank

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These tanks can be constructed of concrete blocks or with other materials. The tanks are partly (1.5 m) built below the soil surface. These tanks can store up to 20,000 liters of water, used for domestic use and crop cultivation.

Water extraction can be done with [[Handpumps|handpumps]] or [[Small and efficient motor pumps|small and efficient motor pumps]]. A [[Rope and bucket|rope and bucket]] can be used but risk of contamination increases. In such a case, household water treatment should be advocated.

Practica foundation is testing various options for low-cost storage and groundwater recharge like the "Reed cement tank" and [[Tube recharge|tube recharge]].

==Suitable conditions ==

Winona

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