Rivera de Gata

As of September 7, 2026, Rivera de Gata is filled to 28.6% of its total capacity, holding roughly 14 hm³ of water out of a maximum 49 hm³. At this level the reservoir is low. Of that total, about 44 hm³ is usable (live) storage.

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

Across the readings we hold for Rivera de Gata — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 20.4% (November 19, 2019) to a high of 95.9% (May 5, 2020). On average the reservoir is fullest around May and at its lowest around October.

It is operated by CHT primarily for multiple purposes. It lies within the Tajo basin at 40.145°N, 6.633°W.