La Fernandina

As of September 7, 2026, La Fernandina is filled to 72.1% of its total capacity, holding roughly 178 hm³ of water out of a maximum 247 hm³. At this level the reservoir is within its normal operating range. Of that total, about 222 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (-0.8 pts), and it is 36.5 points above its level on the same date a year earlier.

Across the readings we hold for La Fernandina — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 26.3% (November 15, 2022) to a high of 89.5% (March 24, 2026). On average the reservoir is fullest around April and at its lowest around November.

It is operated by CHGu primarily for multiple purposes. It lies within the Guadalquivir basin at 38.201°N, 3.570°W.