Latest Submission

2020-2021 Orange-Senqu Surface Water Quantity Synoptic Analysis

Welcome to the first surface water quantity report of the Orange-Senqu River Commission (ORASECOM), for the hydrological year 2020-2021. For Read more

Khakea-Bray Transboundary Dolomite Aquifer Recharge Assessment

Documentation and Data: A read-only folder structure of all reports, data, and models related to the STAS can be accessed Read more

Improving Groundwater Knowledge in Selected Transboundary Aquifers

Documentation and Data: A read-only folder structure of all reports, data, and models related to this study can be accessed Read more

Stampriet Transboundary Aquifer System (STAS) – Governance of Groundwater Resources in Transboundary Aquifers (GGRETA) Project

Documentation: A read-only folder structure of all reports, data, and models related to the STAS can be accessed from here: Read more

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Water Quality

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 to produce the 2014 Orange-Senqu Integrated Water Resources Management Plan (IWRMP). The Project included 5 work packages that are described below. Funding Organisation(s): GIZ   WP 4A: Economic Analysis of Water based on Water Accounting for the […]

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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 in 2015. This is one of the programmes of ORASECOM aimed at advising the State Parties on the development, use, and conservation of the water resources of the Basin. The surveys are structured into four components, namely (i) Aquatic […]

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Orange River Basin Environmental Flow Requirements for the Orange-Senqu Basin (WP5)

Objectives The main objective for this Work Package is to assess Environmental Flow Requirements (EFRs) at selected key areas of the Orange River Basin at an “Intermediate Level”. Main Activities The main activities included: A scoping level assessment of ecological and socio-cultural condition and importance across the basin. Delineation into Management Resource Units and selection of […]

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Orange River Basin Preparation and development of integrated water resources quality management plan (WP 3)

Objectives The central objective of this work package was to provide the tools, methods and training for the implementation of a water resource quality management plan. A framework for the management of water resource quality in the Orange–Senqu River Basin was previously proposed by a European Union Development Fund project which was also providing support […]

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Support to Phase 2 of the ORASECOM Basin-wide Integrated Water Resources Management (IWRM) – Plan: Overview

Overview The main objectives of this consultancy were to enlarge and improve the existing models for the Orange-Senqu Basin, so that they incorporated all of the essential components in the four Basin States and are accepted by each Basin State. These models must be capable of providing the current and likely future information needs of […]

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Environmental Flow Requirements of the Fish River and the Orange-Senqu River Mouth

Overview The Orange-Senqu River riparian States (Botswana, Lesotho, Namibia and South Africa) are committed to jointly addressing threats to the shared water resources of the Basin. This is reflected in bilateral and basin-wide agreements between the riparian states and led to the formation of the Orange-Senqu River Commission (ORASECOM) in 2000. The ‘Orange-Senqu Strategic Action […]

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