Kannaviou

As of September 25, 2026, Kannaviou is filled to 43.0% of its total capacity, holding roughly 7 hm³ of water out of a maximum 17 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has held broadly steady (-0.8 pts), and it is 29.7 points above its level on the same date a year earlier.

Across the readings we hold for Kannaviou — 498 data points between January 1, 2007 and September 25, 2026 — the level has ranged from a low of 8.6% (December 1, 2018) to a high of 100.0% (March 15, 2010). On average the reservoir is fullest around April and at its lowest around December.

The dam at Kannaviou stands 75 m tall and is a rockfill dam and was completed in 2005. It is operated by Water Development Department (WDD) primarily for water supply. It lies within the Ezousa Basin basin at 34.930°N, 32.590°E.