Picadas reservoir

Madrid · Comunidad de Madrid

Tajo basin Reservoirs in Comunidad de Madrid

Province: Madrid
Basin: Tajo
River: Alberche
Dam: Gravity · 1952

66.7%

Current level

10 hm³

Stored water

15 hm³

Total capacity

0.0 hm³

Weekly change

-4.0 hm³

Vs. 2025

-4.0 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Picadas reservoir (embalse de Picadas), in the Tajo basin and linked to San Martín de Valdeiglesias, Madrid and Comunidad de Madrid, is at 66.7% of its capacity, holding 10 hm³ against a maximum capacity of 15 hm³. It is currently steady in the latest update.

Compared with 2025: below (-26.7 points). Compared with the recent historical mean: below (-26.7 points).

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

References
Reference	Level	Difference
Previous week	66.7%	0.0 pts
Same week 2025	93.3%	-26.7 pts
10-year mean	93.3%	-26.7 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: San Martín de Valdeiglesias
River: Alberche
Dam type: Gravity
Year built: 1952
Surface area: 92 ha
Upstream: San Juan
Downstream: Cazalegas

Recorded uses

Water supply
Irrigation
Electricity
Fishing
Boating

Not recorded: industrial, swimming, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET