Gadarif city, in central Sudan, has suffered from a shortage of drinking water for decades. Half of its daily water requirement is met through river water imported over 50 km away and from local salty wells. As a consequence of building a small dam to control seasonal floods, it was found that the dam reservoir recharges groundwater, raising the water table by few a meters.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/rainwater-harvesting-urban-areas-success-story-gadarif-city-central-sudan
[2] http://admin.indiaenvironmentportal.org.in/category/author/mohamed-babiker-ibrahim
[3] http://admin.indiaenvironmentportal.org.in/category/journal/water-resources-management
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-recharge
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-harvesting
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-water-harvesting
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-demand
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sudan
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall