KwaZulu-Natal’s South Coast water supply system faces a 10% supply restriction following a comprehensive analysis by the Department of Water and Sanitation, according to IOL. The department’s assessment indicates the system is operating under conditions that require a reduction in water available to consumers. The reported restriction level is described as part of measures to manage supply and demand for the region’s water system. The information provided does not specify the precise technical drivers of the restriction, such as rainfall levels, water storage capacity, infrastructure constraints, or maintenance impacts, but it links the decision directly to the department’s review of the system. The reporting frames the restriction as an operational response intended to keep the system within manageable limits. No alternative timelines, duration estimates, or potential relief measures are mentioned in the provided text. The restriction is therefore presented as a current adjustment arising from the department’s evaluation of the South Coast system’s capacity.