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Support to Phase 3 of the ORASECOM Basin-wide Integrated Water Resources Management (IWRM) – Plan: Overview

Overview The main objectives of this consultancy were to undertake scenario analyses, economic, water requirement projection and ecological support studies Read more

Water Resources Quality Joint Basin Surveys (JBSs)

The second 5-yearly comprehensive Joint Basin Survey (JBS2) of the quality of the water resources of the Orange-Senqu River Basin was undertaken Read more

2014 Integrated Water Resources Management Plan (IWRMP) – Summary and Documents

Purpose: This article will provide an overview of the 2014 IWRMP and provide links to the actual documents Related WIS Read more

Irrigation Water Demand Management (WP6)

Objectives The overall objective of the work package was to attain an overall understanding of how better management practices could reduce Read more


The Orange–Senqu River Commission – ORASECOM – was established by the governments of Botswana, Lesotho, Namibia and South Africa to promote equitable and sustainable development of the resources of the Orange–Senqu River... read more.

Orange-Senqu Water Information System (WIS)

The Orange-Senqu WIS supports data and information sharing between the ORASECOM riparian States: The WIS provides searchable:

  • documents, data, media and software produced by ORASECOM, developed through direct or donor funding, in support of the Integrated Water Resources Management and information sharing goals of the organisation
  • water resource related data collection and sharing initiatives of riparian States, and contact information of key organsations in the riparian States with water resource management related information.

All data and documents are searchable. Some important data, documents and data sources are highlighted in the following categories for easy browsing:

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