Reservoir at 45%: 150,000 at Risk of Water Cuts

Mauritius is facing a growing water security crisis as the Mare-aux-Vacoas reservoir — the island's largest and most strategically important water source — has fallen to just 45% of its total capacity, raising serious concerns about supply continuity for households and businesses across the central and southern regions. According to reports from Le Defi Media, up to 150,000 consumers could be directly affected if water levels continue to decline. The reservoir serves as a lifeline for a significant portion of the island's population, and any further drop could trigger rationing measures or rotational water cuts — disruptions that would hit both residential areas and local industries hard. While seasonal dry spells are not uncommon in Mauritius, the current situation is drawing heightened attention amid broader concerns about climate change, ageing water infrastructure, and growing demand from an expanding population. Experts have long warned that the island's water management systems must be modernised to cope with increasingly unpredictable rainfall patterns. The Central Water Authority (CWA) has yet to officially announce emergency restrictions, but authorities are understood to be monitoring the situation closely. In past episodes of low reservoir levels, the CWA has implemented zone-by-zone supply schedules — a measure that proves deeply disruptive for families, small businesses, and healthcare facilities alike. What makes this situation particularly worth watching is the timing. Mauritius is entering a period when tourism activity remains elevated and agricultural water demand is high, meaning the pressure on reserves is unlikely to ease naturally in the short term without significant rainfall. This latest development should serve as a wake-up call for policymakers to accelerate investment in alternative water sources, including desalination plants, rainwater harvesting infrastructure, and the repair of the island's notoriously leaky pipe network — estimated to lose a substantial share of treated water before it ever reaches consumers. For now, residents in affected zones are advised to use water prudently and to monitor official communications from the CWA for updates on any supply schedule changes.