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Normal—

Agrio (Aznalcollar)

Guadalquivir

Capacity

20 hm³

Coordinates

37.536°N, 6.293°W

Operator

Guadalquivir

75.0% full

Current fill

75.0%
Normal

vs 13 Oct 2026

-5.0 pp

losing

vs 1 year ago

+35.0 pp

year-over-year

Trend

↓

falling

Drought context

Storage vs October average

128%of normal

75.0% full on 2026-10-19, against an average of 58.5% for October across 9 years of readings (+16.5 points).

Rain over the last three months · 11 October 2026

Moderately dry

In the three months to 11 October 2026 the area around Agrio (Aznalcollar) had well below normal rain, a shortfall seen about one year in six. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.33). Rain, not storage.

EU drought indicator · 11 October 2026

Alertvegetation stress

The European Drought Observatory's combined reading of rain, soil moisture and vegetation at this point. Watch means rain has been short, Warning that the soil has dried out, Alert that vegetation is visibly stressed; Recovery means the shortfall is easing. Ground conditions, not the reservoir's storage. Spain drought figures →

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity20 hm³
Primary use—
OperatorGuadalquivir
River basinGuadalquivir
Data source:embalses.net·Last reading: 2026-10-19

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.536°N, 6.293°W · Open in Google Maps

About Agrio (Aznalcollar)

As of October 19, 2026, Agrio (Aznalcollar) is filled to 75.0% of its total capacity, holding 15 hm³ of water out of a maximum 20 hm³. At this level the reservoir is within its normal operating range.

Since October 13, 2026 the fill level has fallen by 5.0 percentage points, and it is 35.0 points above its level on the same date a year earlier.

Across the readings we hold for Agrio (Aznalcollar) — 419 data points between October 16, 2018 and October 19, 2026 — the level has ranged from a low of 30.0% (September 21, 2021) to a high of 100.0% (February 13, 2024). On average the reservoir is fullest around April and at its lowest around October.

It is operated by Guadalquivir. It lies within the Guadalquivir basin at 37.536°N, 6.293°W.

Key facts

Current fill level
75.0% of total capacity
Water stored
15 hm³
Total capacity
20 hm³
Change since October 13, 2026
▼ 5.0 pp
Year-on-year
▲ 35.0 pp
River basin
Guadalquivir
Operator
Guadalquivir
Coordinates
37.536°N, 6.293°W
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 202675.0%15
13 Oct 202680.0%16
6 Oct 202680.0%16
29 Sep 202680.0%16
22 Sep 202680.0%16
15 Sep 202680.0%16
8 Sep 202680.0%16
1 Sep 202680.0%16
25 Aug 202680.0%16
18 Aug 202685.0%17
11 Aug 202685.0%17
4 Aug 202685.0%17

Nearby reservoirs