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Andalusia
NormalMulti-purpose

Martín Gonzalo

Córdoba · Andalusia · Guadalquivir

Capacity

20 hm³

Coordinates

38.101°N, 4.331°W

Operator

CHGu

75.0% full

Current fill

75.0%
Normal

vs 7 days ago

-5.0%

losing

vs 1 year ago

-10.0%

year-over-year

7-day trend

falling

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: 2026-07-27

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 July 27, 2026, Martín Gonzalo is filled to 75.0% of its total capacity, holding roughly 15 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 fallen by 5.0 percentage points, and it is 10.0 points below its level on the same date a year earlier.

Across the readings we hold for Martín Gonzalo — 420 data points between July 17, 2018 and July 27, 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
75.0%
Water stored
15 hm³
Total capacity
20 hm³
Usable capacity
18 hm³
7-day change
▼ 5.0 pts
Year-on-year
▼ 10.0 pts
Primary use
Multipurpose
River basin
Guadalquivir
Operator
CHGu
Coordinates
38.101°N, 4.331°W
Last updated
July 27, 2026

Recent readings

DateFill levelVolume (hm³)
27 Jul 202675.0%15
20 Jul 202680.0%16
14 Jul 202680.0%16
7 Jul 202680.0%16
30 Jun 202680.0%16
23 Jun 202685.0%17
16 Jun 202685.0%17
9 Jun 202690.0%18
2 Jun 202690.0%18
26 May 202690.0%18
19 May 202690.0%18
12 May 202695.0%19

Frequently asked questions

What is the current water level of Martín Gonzalo?

As of July 27, 2026, Martín Gonzalo is at 75.0% of its capacity, holding approximately 15 hm³ of water, according to embalses.net data.

Is Martín Gonzalo reservoir full?

No. As of July 27, 2026, Martín Gonzalo is within its normal operating range at 75.0% of its capacity, so it is not full.

Is the water level at Martín Gonzalo rising or falling?

The level at Martín Gonzalo is falling — it dropped 5.0 percentage points over the latest week on record.

How much water can Martín Gonzalo hold?

Martín Gonzalo has a total capacity of 20 hm³, of which about 18 hm³ is usable storage.

Where is Martín Gonzalo reservoir located?

Martín Gonzalo is located in Córdoba, Andalusia, Spain, within the Guadalquivir basin (coordinates 38.101°N, 4.331°W).

What is Martín Gonzalo used for?

Martín Gonzalo is used primarily for multiple purposes, and is managed by CHGu.

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