Yesa reservoir

Zaragoza · Aragón

Ebro basin Reservoirs in Aragón

Province: Zaragoza
Basin: Ebro
River: Aragón
Dam: Gravity · 1959

13.2%

Current level

59 hm³

Stored water

447 hm³

Total capacity

-1.0 hm³

Weekly change

-15.0 hm³

Vs. 2025

-45.7 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Yesa reservoir (embalse de Yesa), in the Ebro basin and linked to Yesa, Zaragoza and Aragón, is at 13.2% of its capacity, holding 59 hm³ against a maximum capacity of 447 hm³. It is currently falling, by 1.0 hm³ this week.

Compared with 2025: below (-3.4 points). Compared with the recent historical mean: below (-10.2 points).

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

References
Reference	Level	Difference
Previous week	13.4%	-0.2 pts
Same week 2025	16.6%	-3.4 pts
10-year mean	23.4%	-10.2 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Yesa
River: Aragón
Dam type: Gravity
Year built: 1959
Surface area: 2,089 ha
Upstream: Ibón de Ip
Downstream: Mequinenza

Recorded uses

Water supply
Irrigation
Electricity
Industrial
Fishing
Boating
Swimming

Not recorded: picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET