Tremp o Talarn

As of October 6, 2026, Tremp o Talarn is filled to 42.7% of its total capacity, holding roughly 97 hm³ of water out of a maximum 227 hm³. At this level the reservoir is within its normal operating range. Of that total, about 204 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 1.8 percentage points, and it is 17.2 points below its level on the same date a year earlier.

Across the readings we hold for Tremp o Talarn — 418 data points between October 9, 2018 and October 6, 2026 — the level has ranged from a low of 27.3% (October 24, 2023) to a high of 100.0% (May 19, 2020). On average the reservoir is fullest around June and at its lowest around October.

It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.205°N, 0.953°E.