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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

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

  • WIS > Surface Water Resources

Surface Water Resources

Strategic Action Programme for the Orange-Senqu River Basin

Overview and Purpose The Orange-Senqu Strategic Action Programme (SAP) is a negotiated document that provides a basin-wide framework for the implementation of a prioritised set of national and joint transboundary actions and investments for addressing jointly agreed priority environmental concerns in the Orange-Senqu river basin. The SAP is endorsed at political (Ministerial) level and together […]

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POPs, PAHs and elemental levels in sediment, fish and wild bird eggs in the Orange–Senqu River Basin

Introduction Four southern African countries, Lesotho, South Africa, Botswana, and Namibia share the basin of the Orange-Senqu River and are Parties to the Stockholm Convention (SC) on Persistent Organic Pollutants (POPs). Currently, the SC targets 21 chemicals and classes of chemicals. Previously, the research in the Orange-Senqu Basin on POPs concentrated on pesticide POPs such as DDT. Only recently […]

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Baseline monitoring of aquatic ecosystem health in the Orange-Senqu River Basin

Purpose The specific purpose of this assignment was to undertake the first baseline monitoring of aquatic ecosystem health in the Orange-Senqu River System and to support the broader joint baseline survey. The focus of this specific assignment was to investigate the Aquatic Ecosystem Health of the Orange-Senqu River System and includes a detailed assessment of […]

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Development of Integrated Orange-Senqu River Basin Model (WP1)

Objectives to enlarge and improve the existing models to cover the total Orange River Basin and to capacitate representatives of each of the basin states to set up and use the models. Main Activities Assessment of strengths and weaknesses of existing models Extension and expansion of the existing models Assessment of system yields Review the […]

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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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Water Supply to the Eastern Transvaal Highveld

Water Supply to the Eastern Transvaal Highveld This brochure provides an overview of the water availability and Infrastructure for the Eastern Supply System of the Vaal River in South Africa Source: Department of Water Affairs (South Africa)

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Integrated Water Resources Planning for South Africa – 2010

Integrated Water Resources Planning for South Africa – 2010 Overview This report is an updated expression of the thinking and planning of the Department of Water Affairs, and includes a summary of the water resource situation for all the identified growth areas in the country as at 31 May 2010. This water resource situation analysis was first prepared in […]

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Large Dams and Water Systems in South Africa – 1994

Large Dams and Water Systems in South Africa – 1994, South African National Committee of Large Dams Please note: This document is 61 MB.   Source: Department of Water Affairs (South Africa)

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Joint Baseline Survey

Overview The Joint Baseline Survey consisted of 3 separately funded studies undertaken for ORASECOM on the Orange-Senqu River Basin. The studies focussed on aquatic ecosystem health, environmental toxicity and the benchmarking of environmental laboratories. The 3 studies were as follow: Baseline monitoring of aquatic ecosystem health in the Orange-Senqu river basin (European Commission Funded) POPs, […]

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