reservoirs.earth logo
Reservoirs.EARTH
Aragon
HighMulti-purpose

El Grado

Huesca · Aragon · Ebro

Capacity

400 hm³

Coordinates

42.219°N, 0.225°E

Operator

CHE

87.0% full

Current fill

87.0%
High

vs 7 days ago

-4.5%

losing

vs 1 year ago

+10.5%

year-over-year

7-day trend

falling

Catchment Weather

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

Technical specifications

Total capacity400 hm³
Usable capacity360 hm³
Primary useMulti-purpose
OperatorCHE
ProvinceHuesca
Autonomous communityAragon
River basinEbro
Data source:embalses.net·Last reading: 2026-07-27

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.219, 0.225 · Open in Google Maps

About El Grado

As of July 27, 2026, El Grado is filled to 87.0% of its total capacity, holding roughly 348 hm³ of water out of a maximum 400 hm³. At this level the reservoir is high. Of that total, about 360 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 4.5 percentage points, and it is 10.5 points above its level on the same date a year earlier.

Across the readings we hold for El Grado — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 21.5% (December 16, 2025) to a high of 100.0% (March 11, 2025). On average the reservoir is fullest around March and at its lowest around October.

It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.219°N, 0.225°E.

Key facts

Current fill level
87.0%
Water stored
348 hm³
Total capacity
400 hm³
Usable capacity
360 hm³
7-day change
▼ 4.5 pts
Year-on-year
▲ 10.5 pts
Primary use
Multipurpose
River basin
Ebro
Operator
CHE
Coordinates
42.219°N, 0.225°E
Last updated
July 27, 2026

Recent readings

DateFill levelVolume (hm³)
27 Jul 202687.0%348
20 Jul 202691.5%366
14 Jul 202694.8%379
7 Jul 202696.3%385
30 Jun 202696.8%387
23 Jun 202696.3%385
16 Jun 202696.5%386
9 Jun 202698.3%393
2 Jun 202696.0%384
26 May 202695.0%380
19 May 202697.3%389
12 May 202697.8%391

Frequently asked questions

What is the current water level of El Grado?

As of July 27, 2026, El Grado is at 87.0% of its capacity, holding approximately 348 hm³ of water, according to embalses.net data.

Is El Grado reservoir full?

No. As of July 27, 2026, El Grado is high at 87.0% of its capacity, so it is not full.

Is the water level at El Grado rising or falling?

The level at El Grado is falling — it dropped 4.5 percentage points over the latest week on record.

How much water can El Grado hold?

El Grado has a total capacity of 400 hm³, of which about 360 hm³ is usable storage.

Where is El Grado reservoir located?

El Grado is located in Huesca, Aragon, Spain, within the Ebro basin (coordinates 42.219°N, 0.225°E).

What is El Grado used for?

El Grado is used primarily for multiple purposes, and is managed by CHE.

Nearby reservoirs

ShareXLinkedInWhatsApp