Southern Africa’s water systems are under mounting strain, shaped by a combination of infrastructure limitations, governance challenges, and intensifying climate variability. In South Africa, periodic supply disruptions have affected urban and peri urban communities, including parts of Johannesburg, where intermittent access to water has been reported despite relatively stable dam levels. Public frustration has surfaced in demonstrations and growing reliance on private water purchases, reflecting both economic pressure and uneven service delivery.
While climate pressures such as erratic rainfall and extreme weather events have added complexity, available evidence suggests that the current constraints are not solely the result of absolute water scarcity. Ageing infrastructure, maintenance backlogs, and delays in expanding bulk supply systems have contributed significantly to the situation. In response, the South African government has outlined plans to invest approximately 150 billion rand over the coming years to strengthen water and sanitation infrastructure, alongside institutional reforms aimed at improving system reliability.
Within this regional context, Lesotho has assumed increasing strategic importance. The mountainous kingdom, entirely surrounded by South Africa, is endowed with relatively abundant high altitude water resources, which have been harnessed through the Lesotho Highlands Water Project. Initiated through a bilateral treaty in 1986, the project is one of the largest transboundary water transfer schemes on the African continent. It channels water from Lesotho’s highlands through an interconnected system of dams and tunnels into South Africa’s industrial heartland.
The project currently transfers hundreds of millions of cubic metres of water annually and plays a significant role in supporting water supply to the Gauteng region, which is central to South Africa’s economy. Estimates indicate that the arrangement generates close to 300 million United States dollars per year in royalties for Lesotho, representing a notable share of public revenue in a country with a relatively small economic base. Additional details on the project structure and phases are available via the World Bank overview.
For Lesotho, water has become both an economic asset and a lever of regional engagement. The country’s leadership has indicated an intention to revisit aspects of the existing agreement with South Africa, particularly in relation to compensation and long term value. These discussions are expected to consider how benefits are distributed and how local development outcomes can be strengthened in communities directly affected by the infrastructure.
At the same time, efforts to expand the project through its second phase have experienced delays, with revised completion timelines extending towards the end of the decade. These delays have implications not only for Lesotho’s anticipated revenue growth but also for South Africa’s capacity to augment supply in response to rising demand. Further information on bilateral water governance frameworks in the region can be found through the Orange Senqu River Commission, which supports cooperative management of shared watercourses.
Across Southern Africa, the interplay between water security, infrastructure investment, and regional cooperation continues to evolve. Extreme weather events affecting countries such as Mozambique, Zimbabwe, and South Africa underscore the broader vulnerability of water systems to climatic shifts, even as transboundary projects highlight opportunities for shared benefit.
Lesotho’s position illustrates how natural endowments, when coupled with long term infrastructure and cooperative agreements, can reshape economic possibilities for smaller states. At the same time, it raises questions about equity, sustainability, and the governance of shared resources in a region where water is increasingly recognised not only as a basic need but also as a strategic asset.
From a broader African perspective, these dynamics invite a more nuanced understanding of resource interdependence, one that moves beyond deficit narratives to recognise agency, negotiation, and regional solidarity. As discussions between Lesotho and South Africa continue, the outcomes may offer insights into how African countries can more effectively balance national interests with collective resilience in the face of shared environmental and developmental challenges.
