Ribeira, A

As of September 7, 2026, Ribeira, A is filled to 51.5% of its total capacity, holding roughly 17 hm³ of water out of a maximum 33 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has fallen by 3.0 percentage points, and it is 6.1 points below its level on the same date a year earlier.

Across the readings we hold for Ribeira, A — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 48.5% (October 23, 2018) to a high of 97.0% (May 21, 2019). On average the reservoir is fullest around May and at its lowest around October.

It is operated by Galicia Costa. It lies within the Galicia Costa basin at 0.000°N, 0.000°E.