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Andalusia
NormalMulti-purpose

Martín Gonzalo

Córdoba · Andalusia · Guadalquivir

Capacity

20 hm³

Coordinates

38.101°N, 4.331°W

Operator

CHGu

70.0% full

Current fill

70.0%
Normal

vs 7 days ago

0.0%

stable

vs 1 year ago

-10.0%

year-over-year

7-day trend

stable

Catchment Weather

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

Technical specifications

Total capacity20 hm³
Usable capacity18 hm³
Primary useMulti-purpose
OperatorCHGu
ProvinceCórdoba
Autonomous communityAndalusia
River basinGuadalquivir
Data source:embalses.net·Last reading: 2026-09-07

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.101, -4.331 · Open in Google Maps

About Martín Gonzalo

As of September 7, 2026, Martín Gonzalo is filled to 70.0% of its total capacity, holding roughly 14 hm³ of water out of a maximum 20 hm³. At this level the reservoir is within its normal operating range. Of that total, about 18 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 10.0 points below its level on the same date a year earlier.

Across the readings we hold for Martín Gonzalo — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 10.0% (December 6, 2022) to a high of 100.0% (March 25, 2025). On average the reservoir is fullest around April and at its lowest around November.

It is operated by CHGu primarily for multiple purposes. It lies within the Guadalquivir basin at 38.101°N, 4.331°W.

Key facts

Current fill level
70.0%
Water stored
14 hm³
Total capacity
20 hm³
Usable capacity
18 hm³
7-day change
No change
Year-on-year
▼ 10.0 pts
Primary use
Multipurpose
River basin
Guadalquivir
Operator
CHGu
Coordinates
38.101°N, 4.331°W
Last updated
September 7, 2026

Recent readings

DateFill levelVolume (hm³)
7 Sep 202670.0%14
1 Sep 202670.0%14
25 Aug 202670.0%14
18 Aug 202675.0%15
11 Aug 202675.0%15
4 Aug 202675.0%15
28 Jul 202675.0%15
21 Jul 202680.0%16
14 Jul 202680.0%16
7 Jul 202680.0%16
30 Jun 202680.0%16
23 Jun 202685.0%17

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