Bárcena

As of September 7, 2026, Bárcena is filled to 77.7% of its total capacity, holding roughly 265 hm³ of water out of a maximum 341 hm³. At this level the reservoir is within its normal operating range. Of that total, about 307 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (-1.2 pts), and it is 15.0 points below its level on the same date a year earlier.

Across the readings we hold for Bárcena — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 25.5% (December 18, 2018) to a high of 97.9% (May 21, 2024). On average the reservoir is fullest around June and at its lowest around November.

It is operated by CHS primarily for multiple purposes. It lies within the Miño - Sil basin at 42.612°N, 6.541°W.