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Wajir County, in Kenya's arid north-east, depends on groundwater more heavily than almost anywhere else in the country. With unreliable rainfall and few permanent surface water sources, boreholes are often the only dependable water supply for pastoralist communities, towns, and institutions across the county, and much of Wajir sits above the Merti aquifer system, one of the more significant groundwater resources in northern Kenya. The Merti Aquifer and Wajir's Sedimentary Geo

Baringo County sits within the Rift Valley floor and surrounding escarpments, an area of striking geological diversity that ranges from volcanic highlands to the semi-arid basin around Lake Baringo itself. Pastoralist communities, small-scale irrigation schemes, and growing towns like Kabarnet and Marigat increasingly depend on borehole drilling services where rivers and seasonal water sources can't be relied on year-round. A Rift Valley Geology With Water Quality Considerati

Uasin Gishu County, home to Eldoret, sits on the high plateau of the Rift Valley's western shoulder, an area known for large-scale wheat and maize farming and, increasingly, fast urban growth. The county's volcanic highland geology, tertiary basalts and phonolites in particular, generally supports good, reliable borehole yields, which is part of why boreholes have become such a common feature on large farms and institutions across the plateau. U asin Gishu's Volcanic Plateau

Murang'a County sits on the fertile southern and eastern slopes of the Aberdare Range and Mt Kenya, an area long associated with coffee, tea, and macadamia farming. Like its neighbours Nyeri and Kiambu, Murang'a benefits from volcanic highland geology and comparatively high rainfall, which generally supports better borehole yields than the drier counties further from the mountain. Murang'a's Volcanic Highland Geology Much of the county sits on volcanic rock formations associa