Lesotho Demands Revision of R53 Billion Water Treaty as South Africa Faces Mounting Infrastructure Crisis

Lesotho is reopening talks over the 1986 water treaty, putting South Africa,s R53 billion infrastructure plan and Gauteng,s water security at risk.

By: AXL Media

Published: Mar 28, 2026, 9:22 AM EDT

Source: Information for this report was sourced from BusinessTech

A Strategic Challenge to Transnational Water Security

South Africa,s ambitious R53 billion initiative to safeguard its primary economic hub from a total water collapse has hit a significant diplomatic hurdle. Lesotho, the mountainous nation that provides the bulk of the water supply to the Gauteng province, has announced its intention to reopen talks regarding the decades old 1986 Highlands Water Treaty. Natural Resources Minister Mohlomi Moleko indicated that the current terms no longer reflect the modern economic realities or the development priorities of the Basotho people, signaling a period of intense and potentially costly renegotiation for the South African government.

Revisiting the Economics of Compensation and Royalties

At the heart of the dispute is a 50 year compensation framework that is currently scheduled to remain in effect until 2044. Lesotho officials argue that the existing royalty system, which is largely tied to the cost savings South Africa achieves by sourcing water from the highlands rather than domestic alternatives, is insufficient. Minister Moleko emphasized that compensation must ensure that the lives of those impacted by the massive dam projects are significantly improved rather than stagnant. The push for a revised system based on actual water volumes could lead to a substantial increase in the annual 220 million dollar payment South Africa currently provides.

Expanding the Scope of a Legacy Infrastructure Deal

The Lesotho Highlands Water Project has grown well beyond its initial 1980s blueprint, evolving into one of the most complex engineering feats on the continent. Since the Katse Dam was finished in 1996, the system has ramped up to supply approximately 780 million cubic meters of water every year. With a new dam and transfer tunnel under construction since 2023, that volume is expected to exceed 1 billion cubic meters. Lesotho leadership is now leveraging this expanded output to question whether the returns adequately benefit their national economy, which relies on these water sales for 10% of its total gross domestic product.