Gargaligas

As of September 7, 2026, Gargaligas is filled to 66.7% of its total capacity, holding roughly 14 hm³ of water out of a maximum 21 hm³. At this level the reservoir is within its normal operating range. Of that total, about 19 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 4.7 percentage points, and it is 4.7 points below its level on the same date a year earlier.

Across the readings we hold for Gargaligas — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 42.9% (September 17, 2019) to a high of 100.0% (December 20, 2022). On average the reservoir is fullest around May and at its lowest around January.

It is operated by CHSU primarily for multiple purposes. It lies within the Guadiana basin at 39.194°N, 5.362°W.