Zahara-El Gastor reservoir

Cádiz · Andalucía

Guadalete-Barbate basin Reservoirs in Andalucía

Province: Cádiz
Basin: Guadalete-Barbate
River: Guadalete
Dam: Embankment, clay core · 1992

64.6%

Current level

144 hm³

Stored water

223 hm³

Total capacity

-1.0 hm³

Weekly change

+95.0 hm³

Vs. 2025

+59.3 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Zahara-El Gastor reservoir (embalse de Zahara-El Gastor), in the Guadalete-Barbate basin and linked to Zahara, Cádiz and Andalucía, is at 64.6% of its capacity, holding 144 hm³ against a maximum capacity of 223 hm³. It is currently falling, by 1.0 hm³ this week.

Compared with 2025: above (+42.6 points). Compared with the recent historical mean: above (+26.6 points).

Its main uses include irrigation.

References
Reference	Level	Difference
Previous week	65.0%	-0.4 pts
Same week 2025	22.0%	+42.6 pts
10-year mean	38.0%	+26.6 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Zahara
River: Guadalete
Dam type: Embankment, clay core
Year built: 1992
Surface area: 723 ha
Upstream: Arroyo del Fresnillo
Downstream: Bornos

Recorded uses

Irrigation
Fishing
Swimming
Restaurants

Not recorded: water supply, electricity, industrial, boating, picnic.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET