Porma-(Juan Benet) reservoir

León · Castilla y León

Duero basin Reservoirs in Castilla y León

Province: León
Basin: Duero
River: Porma
Dam: Gravity · 1968

38.1%

Current level

121 hm³

Stored water

318 hm³

Total capacity

0.0 hm³

Weekly change

-11.0 hm³

Vs. 2025

+7.0 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Porma-(Juan Benet) reservoir (embalse de Porma-(Juan Benet)), in the Duero basin and linked to Boñar, León and Castilla y León, is at 38.1% of its capacity, holding 121 hm³ against a maximum capacity of 318 hm³. It is currently steady in the latest update.

Compared with 2025: below (-3.5 points). Compared with the recent historical mean: above (+2.2 points).

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

References
Reference	Level	Difference
Previous week	38.1%	0.0 pts
Same week 2025	41.5%	-3.5 pts
10-year mean	35.9%	+2.2 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Boñar
River: Porma
Dam type: Gravity
Year built: 1968
Surface area: 1,153 ha
Upstream: — no data
Downstream: Ricobayo

Recorded uses

Water supply
Irrigation
Electricity
Industrial
Fishing
Boating
Swimming
Restaurants

Not recorded: picnic.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET