Ulldecona reservoir

Castelló/Castellón · Comunitat Valenciana

Júcar basin Reservoirs in Comunitat Valenciana

Province: Castelló/Castellón
Basin: Júcar
River: Cenia
Dam: Gravity · 1967

63.6%

Current level

7 hm³

Stored water

11 hm³

Total capacity

0.0 hm³

Weekly change

-1.0 hm³

Vs. 2025

+2.7 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Ulldecona reservoir (embalse de Ulldecona), in the Júcar basin and linked to La Pobla de Benifassa, Castelló/Castellón and Comunitat Valenciana, is at 63.6% of its capacity, holding 7 hm³ against a maximum capacity of 11 hm³. It is currently steady in the latest update.

Compared with 2025: below (-9.1 points). Compared with the recent historical mean: above (+24.5 points).

Its main uses include water supply and irrigation.

References
Reference	Level	Difference
Previous week	63.6%	0.0 pts
Same week 2025	72.7%	-9.1 pts
10-year mean	39.1%	+24.5 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: La Pobla de Benifassa
River: Cenia
Dam type: Gravity
Year built: 1967
Surface area: 817 ha
Upstream: — no data
Downstream: No

Recorded uses

Water supply
Irrigation
Fishing
Boating
Swimming
Restaurants

Not recorded: electricity, industrial, picnic.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET