Hydrogeology of Liberia
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The Republic of Liberia began in its present form after 1822 as a settlement of the American Colonisation Society, who believed that Black Americans faced better chances there. The indigenous people inhabiting this area included the Kru and Grebo, many of whom had migrated from regions further east in past centuries. In 1847, the settlers declared Liberia an independent republic, with a constitution modelled on that of America, and retained its independence during the subsequent period of European colonialism. After the USA recognised Liberia in 1862, the two countries had reasonable diplomatic relations: Liberia supported the USA in WWII and the USA subsequently invested in Liberian infrastructure to a modest extent, albeit within the context of foreign direct investment in the rubber industry. There has been periodic ongoing tension between the minority of black settler-colonisers and indigenous peoples since the republic was founded. The settlers established and dominated the country’s political system. A period of serious unrest began in 1980 with a military coup, years of military rule and two civil wars that devastated the economy, ending with a peace agreement in 2003. Since then, Liberia has experienced relative political stability and economic recovery, but the economy and infrastructure remains poorly developed, and recovery was affected by an outbreak of Ebola virus in 2014-15.
Rubber and timber plantations, ironically sometimes run with indigenous slave labour, dominated the economy from the start of the 20th century. Iron ore was another significant export until the industry declined during the civil wars. During those wars, Liberia was a transit point for diamonds from Sierra Leone, the funds of which were used to purchase weapons, and the international community banned trade in diamonds with Liberia during that period. Today, Liberia is one of the world’s poorest countries, with one of the highest ratios of Foreign Direct Investment to GDP. The years of war left little water and electricity provision outside the capital. Liberia is a shipping ‘flag of convenience’: vessels from any country can register there, and this provides a large proportion of GDP.
Liberia, a tropical country, has high rainfall and abundant surface water supplies. Groundwater is also widely used, for both rural and urban supplies.
Dr Kirsty Upton and Brighid Ó Dochartaigh, British Geological Survey, UK
Please cite this page as: Upton, Ó Dochartaigh and Bellwood-Howard, 2018.
Bibliographic reference: Upton K, Ó Dochartaigh BÉ and Bellwood-Howard, I. 2018. Africa Groundwater Atlas: Hydrogeology of Liberia. British Geological Survey. Accessed [date you accessed the information]. http://earthwise.bgs.ac.uk/index.php/Hydrogeology_of_Liberia
Terms and conditions
|Estimated Population in 2013*||4,294,077|
|Rural Population (% of total) (2013)*||51.1%|
|Total Surface Area*||96,320 sq km|
|Agricultural Land (% of total area) (2012)*||28.1%|
|Border Countries||Sierra Leone, Guinea, Cote d'Ivoire|
|Annual Freshwater Withdrawal (2013)*||130.8 Million cubic metres|
|Annual Freshwater Withdrawal for Agriculture (2013)*||9.4%|
|Annual Freshwater Withdrawal for Domestic Use (2013)*||54.4%|
|Annual Freshwater Withdrawal for Industry (2013)*||36.2%|
|Rural Population with Access to Improved Water Source (2012)*||63%|
|Urban Population with Access to Improved Water Source (2012)*||86.8%|
* Source: World Bank
More information on average rainfall and temperature for each of the climate zones in Liberia can be seen at the Liberia climate page.
These maps and graphs were developed from the CRU TS 3.21 dataset produced by the Climatic Research Unit at the University of East Anglia, UK. For more information see the climate resource page.
Liberia has a number of major river systems originating in neighbouring countries and flowing generally from northeast to northwest, which drain the vast majority of the country. There are also a number of short rivers in the coastal zone that flow directly into the sea.
The geology map on this page shows a simplified version of the geology at a national scale (see the Geology resource page for more details). More information is available in the report UN (1988) (see References section, below).
The hydrogeology map below shows a simplified version of the type and productivity of the main aquifers at a national scale (see the Hydrogeology Map resource page for more details).
More information on the hydrogeology of Liberia is available in the report United Nations (1988) (see References section, below).
Water point databases exist with information on more than 3,000 hand dug wells and more than 600 boreholes in Liberia, although information for some parts of the country is not yet recorded. Most of this information was collated during the 2011 Liberian Waterpoint mapping project. Most of the waterpoints recorded are groundwater sources - hand dug wells or boreholes, although only protected (improved) hand dug wells are recorded in the database. The waterpoint database does not contain much groundwater information: no geological log information is available for the groundwater sources, and most have no information on groundwater (rest/static) level. Some qualitative water quality information is available. The waterpoint database is available to view and download at the WASH Liberia website.
For further information about transboundary aquifers, please see the Transboundary aquifers resources page.
References with more information on the geology and hydrogeology of Liberia can be accessed through the Africa Groundwater Literature Archive.
United Nations. 1988. Groundwater in North and West Africa: Liberia. United Nations Department of Technical Cooperation for Development and Economic Commission for Africa.