Tanzania is one of the World's richest countries with respect to national parks. Mostly the parks lie within the Great Rift Valley, where most fascinating wild life thrives prosperously. Through history the lands within and around have been sparsely populated by humans, probably because these land have been considered marginal, without fresh water resources. Especially around the alkaline lakes the surface- as well as the groundwater resources contain unpalatable concentrations of Trona, locally called Magadi, along with highly toxic concentrations of fluoride (from 2 up to 90 mgF/L).

Population growth and intensive modern tourism has made such areas very popular and with that comes habitation of previously inhabitable land. The hunt for fresh and safe water for human consumption is strongly ongoing and would probably be accelerating in as well near as far future. 

It is concluded that defluoridation of water by means of bone char is the process of choice. It is found that rainwater harvesting in combination with defluoridation of water for drinking and cooking may be the most appropriate solution to the fluoride problem in such areas.

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