Sotonera reservoir

Huesca · Aragón

Ebro basin Reservoirs in Aragón

Province: Huesca
Basin: Ebro
River: Sotón
Dam: Homogeneous embankment · 1963

20.6%

Current level

39 hm³

Stored water

189 hm³

Total capacity

0.0 hm³

Weekly change

-16.0 hm³

Vs. 2025

-30.8 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Sotonera reservoir (embalse de Sotonera), in the Ebro basin and linked to Alcala de Gurrea, Huesca and Aragón, is at 20.6% of its capacity, holding 39 hm³ against a maximum capacity of 189 hm³. It is currently steady in the latest update.

Compared with 2025: below (-8.5 points). Compared with the recent historical mean: below (-16.3 points).

Its main uses include water supply, irrigation and hydroelectric power.

References
Reference	Level	Difference
Previous week	20.6%	0.0 pts
Same week 2025	29.1%	-8.5 pts
10-year mean	36.9%	-16.3 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Alcala de Gurrea
River: Sotón
Dam type: Homogeneous embankment
Year built: 1963
Surface area: 1,840 ha
Upstream: — no data
Downstream: Mequinenza

Recorded uses

Water supply
Irrigation
Electricity
Boating
Swimming
Restaurants

Not recorded: industrial, fishing, picnic.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET