Akvouser
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Where access to groundwater is limited, rainwater harvesting in underground tanks
can be an effective and low-cost solution. Water can be stored during the wet season using one of several methods, eg. an [[underground tank]], [[wire-cement tank]] or [[plastic-lined tank]] until it is needed in the rainy dry season . Several pump systems can be then used in to lift the dry season and lifted water from the tank , for example with a [[rope pump]] or with a [[deep well pump]], which can elevate water up to 30 m.
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