What Does 14% Dam Capacity Mean for Cyprus?
By Nero Team
When you hear that Cyprus dams are at 14% capacity, the number sounds alarming — and it should. But what does it actually mean in practice? How much water is left, who gets it, and how long can it last? This guide breaks down the numbers behind the headline.
What "14% capacity" actually means
Cyprus has 17 major dams with a combined maximum capacity of roughly 327 million cubic metres (MCM). At 14%, that leaves approximately 46 MCM of water stored across the entire island.
To put that in perspective, Cyprus uses around 240 MCM of water per year — split roughly between domestic consumption (about 70 MCM), agriculture (about 150 MCM), and industrial and environmental uses (about 20 MCM). At current storage levels, the dams alone hold less than three months' worth of total demand.
Of course, dams are not the only water source. Cyprus relies heavily on desalination plants, which produce around 80 MCM per year. Groundwater extraction adds another significant share. But dams remain the cheapest and most flexible source, and when they run dry, the pressure on these alternatives — and on household budgets — increases sharply.
Not all dams are equal
The headline figure of 14% is a weighted average, and it hides wide variation between individual reservoirs. Kouris, the island's largest dam at 115 MCM capacity, currently dominates the total. When Kouris is full, it alone accounts for more than a third of all stored water. When it's low, the system average plummets.
Smaller dams like Kalopanagiotis (0.36 MCM) and Argaka (0.99 MCM) can swing from empty to full after a single heavy rainfall event — but their contribution to the national total is negligible. The dams that matter most for supply are the big five: Kouris, Asprokremmos, Evretou, Kannaviou, and Kalavasos.
What happens at different capacity levels
Dam capacity thresholds carry different practical implications:
- Above 40% (healthy): Normal operations. Full agricultural allocations, no restrictions on domestic use.
- 20–40% (warning): Water authorities begin curtailing irrigation allocations. Public awareness campaigns urge conservation. Desalination plants run at higher capacity.
- Below 20% (critical): Severe agricultural cuts — some farmers receive no allocation at all. Domestic rationing may be introduced in affected districts. Emergency desalination capacity is activated if available.
At 14%, Cyprus is firmly in critical territory. Agricultural allocations have been slashed, and some areas are experiencing intermittent supply disruptions.
The role of rainfall — and its absence
Cyprus receives most of its rainfall between November and March. By late February, the winter season is more than halfway through, and any rainfall deficit accumulated by this point is very difficult to recover. The island would need sustained, heavy rainfall through March and April to meaningfully improve dam levels — and even then, much of the rain falls on the Troodos mountains and takes time to flow into the reservoirs.
The current drought is not a single bad year. Rainfall has been below average for several consecutive seasons, and climate projections suggest the eastern Mediterranean will continue to receive less precipitation over the coming decades. What we're seeing may be a new baseline rather than a temporary dip.
What you can do
Individual water conservation matters, particularly during critical periods. Simple measures — shorter showers, fixing leaks, using grey water for gardens — collectively reduce the pressure on supply. But systemic solutions matter more: continued investment in desalination, wastewater reuse, and agricultural efficiency will determine how well Cyprus adapts to a drier future.
You can track the latest dam levels on the Nero dashboard and explore individual dam trends to see how each reservoir is responding to the drought.
Data sourced from the Water Development Department of Cyprus. Updated every 6 hours.