Groundwater in the Nile Basin

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Basin ground water has not been adequately studied and so, information in this area is still scanty. An inventory of trans-boundary aquifers was obtained from International Groundwater Resources Assessment Centre (IGRAC), an organization which facilitates and promotes international sharing of information and knowledge required for sustainable groundwater resources development and management worldwide. The layer provided by IGRAC, identifies twelve (12) trans-boundary aquifers within the Nile basin, the largest being the Nubian Sandstone Aquifer System covering an area of about 567,344 Km2 in the Nile basin.

FID Aquifer Name Countries Total Aquifer Area (Km2) Aquifer Area in the Nile Basin (Km2) % area within Nile Basin
1 Mount Elgon Aquifer Uganda, Kenya 5,398.32 4,579.49 85%
2 Gedaref Ethiopia, Sudan 57,830.51 51,369.10 89%
3 Mereb Ethiopia, Eritrea 38,752.68 27,210.24 70%
4 Rift Aquifer Kenya, Tanzania 21,145.08 1,780.24 8%
5 Kagera Aquifer Tanzania, Rwanda, Uganda 5,778.95 5,218.10 90%
6 Baggara Basin Central African Republic, South Sudan, Sudan 239,876.71 196,127.11 82%
7 Coastal Aquifer Basin Egypt, Israel, Palestinian Territory 23,338.14 11.72521552 0%
8 Karoo-Carbonate Central African Republic, Congo, South Sudan 604,596.15 120,947.00 20%
9 Tanganyika Burundi, Democratic Republic of the Congo, Tanzania 184,594.89 2,279.49 1%
10 Nubian Sandstone Aquifer System (NSAS) Chad, Egypt, Libya, Sudan 2,892,867.48 567,344.75 20%
11 Aquifere du Rift Democratic Republic of the Congo, South Sudan, Uganda 44,632.12 30,023.07 67%
12 Sudd Basin Ethiopia, Kenya, South Sudan 370,647.62 324,287.18 87%
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