Santa Teresa reservoir

Salamanca · Castilla y León

Duero basin Reservoirs in Castilla y León

Province: Salamanca
Basin: Duero
River: Tormes
Dam: Gravity · 1960

46.4%

Current level

230 hm³

Stored water

496 hm³

Total capacity

-3.0 hm³

Weekly change

-25.0 hm³

Vs. 2025

-6.2 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Santa Teresa reservoir (embalse de Santa Teresa), in the Duero basin and linked to Montejo, Salvatierra, Salamanca and Castilla y León, is at 46.4% of its capacity, holding 230 hm³ against a maximum capacity of 496 hm³. It is currently falling, by 3.0 hm³ this week.

Compared with 2025: below (-5.0 points). Compared with the recent historical mean: below (-1.2 points).

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

References
Reference	Level	Difference
Previous week	47.0%	-0.6 pts
Same week 2025	51.4%	-5.0 pts
10-year mean	47.6%	-1.2 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Montejo, Salvatierra
River: Tormes
Dam type: Gravity
Year built: 1960
Surface area: 2,579 ha
Upstream: — no data
Downstream: Almendra

Recorded uses

Water supply
Irrigation
Electricity
Fishing
Boating
Swimming

Not recorded: industrial, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET