La Breña II

As of September 7, 2026, La Breña II is filled to 76.9% of its total capacity, holding roughly 633 hm³ of water out of a maximum 823 hm³. At this level the reservoir is within its normal operating range. Of that total, about 741 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 42.3 points above its level on the same date a year earlier.

Across the readings we hold for La Breña II — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 9.7% (November 8, 2022) to a high of 83.2% (June 9, 2026). On average the reservoir is fullest around April and at its lowest around October.

It is operated by CHGu primarily for multiple purposes. It lies within the Guadalquivir basin at 37.851°N, 5.046°W.