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Understanding Cyprus Dam Levels

Cyprus is one of the most water-stressed countries in the European Union. The island receives an average of just 460 millimetres of rainfall per year — roughly half the European average — with nearly all of it falling between November and March. For the rest of the year, the island depends almost entirely on what its 17 major dams have stored during the wet season. This dashboard provides a live, transparent view of those reserves, updated every six hours from official Water Development Department records spanning back to 2009.

How to Read This Dashboard

The system capacity chart at the top of this page shows the combined fill level of all 17 reservoirs over time. You can switch between a historical trend view and a year-on-year comparison to see how the current season compares to previous years. The dam grid below it shows each reservoir individually, colour-coded by severity: red (critical) means the dam holds less than 20% of its design capacity, amber (warning) indicates 20 to 40%, and green (healthy) means above 40%. Click any dam card to see its full history, technical details, and year-on-year comparisons.

What the Numbers Mean

Percentage represents how full a dam is relative to its maximum design capacity. A dam at 15% still holds water, but it is approaching operational limits — below 20%, evaporation losses accelerate, water quality degrades as sediment concentrates, and extraction becomes physically harder as water levels drop below outlet pipes. MCM (Million Cubic Metres) is the standard unit for measuring reservoir volumes. Cyprus's 17 dams have a combined capacity of approximately 327 MCM. To put that in context, the island uses around 240 MCM of water per year across domestic, agricultural, and industrial consumption.

Why Monitoring Matters

Dam levels are not just an engineering metric — they directly affect water supply policy, agricultural allocations, and household water bills. When reservoirs drop below critical thresholds, the government curtails irrigation allocations, desalination plants run at maximum capacity (at higher cost and energy consumption), and in severe cases, rotating municipal supply restrictions are imposed. Cyprus experienced exactly this during the 2008 drought, when emergency water was imported by tanker from Greece, and again during recent drought years. Transparent, up-to-date access to dam data helps citizens, farmers, journalists, and policymakers make better-informed decisions about water use and conservation.

Data sourced from the Water Development Department of Cyprus under CC BY 2.0.