Guadarranque

As of September 7, 2026, Guadarranque is filled to 78.4% of its total capacity, holding roughly 69 hm³ of water out of a maximum 88 hm³. At this level the reservoir is within its normal operating range. Of that total, about 79 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 2.3 points above its level on the same date a year earlier.

Across the readings we hold for Guadarranque — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 27.3% (December 1, 2020) to a high of 94.3% (January 6, 2026). On average the reservoir is fullest around April and at its lowest around November.

It is operated by CHMS primarily for multiple purposes. It lies within the Cuenca Mediterránea Andaluza basin at 36.319°N, 5.472°W.