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  • Groundwater performance test
Four men at the drilling site. One is sitting and reading the measured depth on the plumb bob.

Over the last two days, we have carried out extensive pumping tests on two boreholes to measure the performance of the aquifer. We have been working around the clock in order to exact results and to test the maximum possible water release.

Pumping tests: objective and procedure

We focussed on one particular borehole where an unusually high volume of water was detected during drilling. The drillers estimated the pumping rate of this borehole to be around 4,000 litres per hour. During the pumping tests, we initially started with a flow rate of 4,100 litres per hour and gradually increased the volume to 7,000 and 7,200 litres per hour.

Exceptionally high water volume

Amazingly, even with a pumping rate of 7,200 litres per hour, we were nowhere near the end of the borehole's capacity. Our pump reached its maximum flow rate here. But we know that the borehole could actually supply even more water. A more powerful pump is already on order to test the full potential of the borehole and determine an exact quantity.

Conclusion: A true miracle of nature

It is already clear that the borehole delivers an exceptionally high volume of water. The production capacity exceeds all expectations and allows us to speak of a true miracle. We need every drop for the irrigation project.

We are staying tuned and will continue testing the new pump to realise the full potential of this borehole.

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Institute Water for Africa e.V.
Silcherstr. 74
71384 Weinstadt, Germany
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Evangelische Bank eG
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DE76 5206 0410 0005 0240 13
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GENO DE F1 EK1

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