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Reservoirs.EARTH
Aragon
NormalMulti-purpose

Búbal

Huesca · Aragon · Ebro

Capacity

63 hm³

Coordinates

42.703°N, 0.310°W

Operator

CHE

Current fill

73.0%
Normal

vs 7 days ago

-9.5%

losing

vs 1 year ago

-17.5%

year-over-year

7-day trend

falling

Catchment Weather

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

Technical specifications

Total capacity63 hm³
Usable capacity56.7 hm³
Primary useMulti-purpose
OperatorCHE
ProvinceHuesca
Autonomous communityAragon
River basinEbro
Data source:MITECO·Last reading: 2026-06-09

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.703, -0.310 · Open in Google Maps

About Búbal

As of June 9, 2026, Búbal is filled to 73.0% of its total capacity, holding roughly 46 hm³ of water out of a maximum 63 hm³. At this level the reservoir is within its normal operating range. Of that total, about 57 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 9.5 percentage points, and it is 17.5 points below its level on the same date a year earlier.

Across the readings we hold for Búbal — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 4.8% (October 9, 2018) to a high of 93.7% (November 7, 2023). On average the reservoir is fullest around May and at its lowest around September.

It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.703°N, 0.310°W.

Key facts

Current fill level
73.0%
Water stored
46 hm³
Total capacity
63 hm³
Usable capacity
57 hm³
7-day change
▼ 9.5 pts
Year-on-year
▼ 17.5 pts
Primary use
Multipurpose
River basin
Ebro
Operator
CHE
Coordinates
42.703°N, 0.310°W
Last updated
June 9, 2026

Recent readings

DateFill levelVolume (hm³)
9 Jun 202673.0%46
2 Jun 202682.5%52
26 May 202685.7%54
19 May 202682.5%52
12 May 202688.9%56
5 May 202690.5%57
28 Apr 202692.1%58
21 Apr 202688.9%56
14 Apr 202682.5%52
7 Apr 202676.2%48
31 Mar 202676.2%48
24 Mar 202674.6%47

Frequently asked questions

What is the current water level of Búbal?

As of June 9, 2026, Búbal is at 73.0% of its capacity, holding approximately 46 hm³ of water, according to MITECO data.

Is Búbal reservoir full?

No. As of June 9, 2026, Búbal is within its normal operating range at 73.0% of its capacity, so it is not full.

Is the water level at Búbal rising or falling?

The level at Búbal is falling — it dropped 9.5 percentage points over the latest week on record.

How much water can Búbal hold?

Búbal has a total capacity of 63 hm³, of which about 57 hm³ is usable storage.

Where is Búbal reservoir located?

Búbal is located in Huesca, Aragon, Spain, within the Ebro basin (coordinates 42.703°N, 0.310°W).

What is Búbal used for?

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

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