Hydrogeochemistry of a strategic alluvial aquifer system in a semi-arid setting and its implications for potable urban water supply: The Lodwar Alluvial Aquifer System (LAAS)

Authors: Florence Tanui, Daniel Olago, Simeon Dulo, Gilbert Ouma, Zacharia Kuria

Lodwar Municipality in Kenya is one of the fastest-growing urban areas of Sub-Saharan Africa that depends mainly on groundwater for its municipal water supply. Most of the groundwater sources are located within the riparian zones of the Turkwel River. With limited understanding of its aquifers, the groundwater of Lodwar may be at risk of natural processes and anthropogenic activities. In this study, statistical techniques and geochemical methods were applied to determine the aquifer hydrogeochemistry.

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Kelly Ann Naylor, Associate Director, Water, Sanitation and Hygiene (WASH) Section, Programme Division, UNICEF

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