Cornalbo

As of September 1, 2026, Cornalbo is filled to 66.7% of its total capacity, holding roughly 2 hm³ of water out of a maximum 3 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 (+0.0 pts), and it sits close to where it was a year earlier.

Across the readings we hold for Cornalbo — 418 data points between September 4, 2018 and September 1, 2026 — the level has ranged from a low of 0.0% (April 30, 2019) to a high of 100.0% (February 20, 2024). On average the reservoir is fullest around April and at its lowest around November.

It is operated by Guadiana. It lies within the Guadiana basin at 0.000°N, 0.000°E.