San. Estevo reservoir

Ourense · Galicia

Miño - Sil basin Reservoirs in GaliciaHydroelectric

Province: Ourense
Basin: Miño - Sil
River: RÍO SIL
Dam: Arch-gravity dam

80.3%

Current level

171 hm³

Stored water

213 hm³

Total capacity

+9.0 hm³

Weekly change

-3.0 hm³

Vs. 2025

+7.9 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The San. Estevo reservoir (embalse de San.

Estevo), in the Miño - Sil basin and linked to Ourense and Galicia, is at 80.3% of its capacity, holding 171 hm³ against a maximum capacity of 213 hm³. It is currently rising, by 9.0 hm³ this week.

Compared with 2025: below (-1.4 points). Compared with the recent historical mean: above (+3.7 points). Its main uses include water supply and hydroelectric power.

References
Reference	Level	Difference
Previous week	76.1%	+4.2 pts
Same week 2025	81.7%	-1.4 pts
10-year mean	76.6%	+3.7 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: — no data
River: RÍO SIL
Dam type: Arch-gravity dam
Year built: — no data
Surface area: 737 ha
Upstream: — no data
Downstream: — no data

Recorded uses

Water supply
Electricity

Not recorded: irrigation, industrial, fishing, boating, swimming, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET