Celemín

As of September 7, 2026, Celemín is filled to 77.8% of its total capacity, holding roughly 35 hm³ of water out of a maximum 45 hm³. At this level the reservoir is within its normal operating range. Of that total, about 41 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 2.2 percentage points, and it is 33.4 points above its level on the same date a year earlier.

Across the readings we hold for Celemín — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 8.9% (March 15, 2022) to a high of 100.0% (February 10, 2026). On average the reservoir is fullest around April and at its lowest around October.

It is operated by CHGB primarily for multiple purposes. It lies within the Guadalete-Barbate basin at 36.306°N, 5.761°W.