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Fluoride contamination is different from most of the water quality issues we cover on this blog. Iron, nitrates, and bacteria usually point to something going wrong above ground, including poor construction, nearby pit latrines, agricultural runoff. Fluoride is different. It comes from the volcanic rock itself, dissolving into groundwater as it moves through geothermal and volcanic formations. That makes it one of the few contaminants a hydrogeological survey can predict but

Turkana County, in Kenya's remote north-west, holds some of the country's most significant groundwater potential, most notably the Lotikipi Basin aquifer, discovered through satellite-assisted surveys and identified as one of the largest groundwater reserves found in Kenya. Despite this, Turkana remains one of the most water-scarce counties for everyday access, and boreholes are often the only realistic water source for pastoralist communities, towns, and humanitarian operati

Marsabit County, Kenya's largest and one of its most arid, centres on the volcanic shield of Mt Marsabit rising from the surrounding desert plains. Water scarcity here is severe and persistent, and for pastoralist communities across the county, a reliable borehole can be the difference between a viable settlement and one that has to move with the rains. Borehole drilling services in Marsabit therefore carry a different weight than almost anywhere else in Kenya. Volcanic Highl

Kisumu County sits on the shores of Lake Victoria, and its geology reflects that setting: lacustrine sediments, alluvial deposits, and basement complex rock combine to create groundwater conditions quite different from Kenya's highland or Rift Valley counties. Rapid urban growth in Kisumu city, alongside industrial and institutional demand, has pushed more property owners toward borehole drilling services as piped supply struggles to keep pace. Kisumu's Lake Basin Geology Gro