Orange-Senqu River Basin Orange-Senqu River Commission Secretariat Governments of Botswana, Lesotho, Namibia and South Africa UNDP-GEF Orange-Senqu Strategic Action Programme (Atlas Project ID 71598) Surface and Groundwater Resources Contribution to the Final Transboundary Diagnostic Analysis and Built Structures Database for the Orange-Senqu Basin Technical Report 20 Rev 0, 7 December 2011 UNDP-GEF Orange-Senqu Strategic Action Programme Capacity Development Activities UNDP-GEF Orange-Senqu Strategic Action Programme Surface and Groundwater Resources This report has been submitted by Allan Bailey (
[email protected]), utilising previous research on the subject, including previous work of ORASECOM and its ICP supported projects. This detailed report is a background document to the Transboundray Diagnostic Analysis Report. This report has been issued and amended as follows: Revision Description Date Signed 0 Final standalone (detailed) report 07 Dec 2011 AB Project executed by: Surface and Groundwater Resources Contribution to Final Transboundary Diagnostic Analysis and Built Structures Database for the Orange-Senqu Basin FINAL STANDALONE (DETAILED) REPORT December 2011 Submitted by: SSI Engineers and Environmental Consultants Executive Summary The Orange-Senqu Basin (hereafter referred to as the Basin) covers a large part of South Africa, the whole of Lesotho and parts of Namibia and Botswana. It is the most important basin in South Africa and Lesotho. The rivers in the Basin are a source of water for agriculture, domestic use in towns and settlements, industry, mining, energy, recreation and tourism. In South Africa the Basin includes the Vaal and Orange rivers which form a major part of the water resources and water infrastructure in the country.