Alarcón reservoir

Cuenca · Castilla-La Mancha

Júcar basin Reservoirs in Castilla-La Mancha

Province: Cuenca
Basin: Júcar
River: Júcar
Dam: Gravity · 1955

71.1%

Current level

795 hm³

Stored water

1,118 hm³

Total capacity

-2.0 hm³

Weekly change

+128.0 hm³

Vs. 2025

+305.0 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Alarcón reservoir (embalse de Alarcón), in the Júcar basin and linked to Alarcón, Cuenca and Castilla-La Mancha, is at 71.1% of its capacity, holding 795 hm³ against a maximum capacity of 1,118 hm³. It is currently falling, by 2.0 hm³ this week.

Compared with 2025: above (+11.4 points). Compared with the recent historical mean: above (+27.3 points).

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

References
Reference	Level	Difference
Previous week	71.3%	-0.2 pts
Same week 2025	59.7%	+11.4 pts
10-year mean	43.8%	+27.3 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Alarcón
River: Júcar
Dam type: Gravity
Year built: 1955
Surface area: 6,840 ha
Upstream: La Toba
Downstream: Cortes II

Recorded uses

Water supply
Irrigation
Electricity
Fishing
Swimming

Not recorded: industrial, boating, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET