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CIA World Fact Book, 2008. http://indexmundi.com/g/ g.aspx?c =gh&v=2 “Personal communication,” Department of Geology and Mineral Sciences, University of Ilorin, Nigeria.

has been cited by the following article:

• TITLE: Borehole Drying: A Review of the Situation in the Voltaian Hydrogeological System in Ghana

  AUTHORS: John Apambilla AKUDAGO, Larry Pax CHEGBELEH, Makoto NISHIGAKI, Nukunu A NANEDO, Anthony EWUSI, Kwabena KANKAM-YEBOAH

  KEYWORDS: Borehole Sustainability, Community Water Supply, Ghana, Groundwater Recharge and Depletion, Voltaian System

  JOURNAL NAME: Journal of Water Resource and Protection, Vol.1 No.3, September 21, 2009

  ABSTRACT: Groundwater development for potable water supply for rural people in Africa especially in Ghana has in-creased significantly over the past decades. The area underlain by the Paleozoic sedimentary formation (Voltaian System) of the country in particular, has experienced this tremendous change. Groundwater in the study area is normally exploited through boreholes fitted mostly with hand pumps. Though the boreholes exhibit variable yields, most of them have yields greater than 13.5 l/min. Research carried out in the area suggests that there is modern and enough recharge, yet borehole drying is a problem especially those with low or marginal yields. A thorough review of the groundwater exploitation in the area, aimed at explaining the circumstances that might lead to these phenomena on the field, has been conducted. The review shows that boreholes with drill yields of usually