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Embalse de Alloz water level

Reservoir, Ebro, Spain

Directions

Right now

Normal for mid-October

Percent full

30.3% Down 1.5 pts over the last 7 days

Water stored
20.0 hm³
0 25 50 75 100
Percent full: 30.3 %. Normal for mid-October.

History

History
2040%Sep 22Sep 27Oct 2Oct 7Oct 132040%Sep 22Oct 2Oct 13
0255075%Oct 2025Jan 2026Apr 2026Jul 2026Oct 20260255075%Oct 2025Apr 2026Oct 2026
255075100%Oct 2016Apr 2019Oct 2021Apr 2024Oct 2026255075100%Oct 2016Oct 2021Oct 2026
0255075100%JanMarMayJulSepNov20260255075100%JanAprJulOct2026

202120222023202420252026

Percent full Normal range (10–90 %)

What this means

The fill level at Embalse de Alloz reads 30.3 % full, about where it usually sits at this time of year.

That puts it 2.9 pts above the median of 27.4 % for mid-October, based on 39 years of readings. A year ago it stood at 42.4 % (−12.1 pts).

It is still going down, by 1.5 pts over the past week. The 30-day range is 30.3 % – 37.9 %.

Many reservoirs reach their low point of the year in autumn, before winter rains start the refill.

Compared with 39 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
27.4 %2.9 pts above the median for this date
Normal for this date
6.2 % – 42.4 %8 years in 10 fall in this range (39 years of records)
Same day last year
42.4 %−12.1 pts
Lowest and highest in 30 days
30.3 % – 37.9 %
Lowest and highest in 12 months
30.3 % – 92.4 %
Capacity
66.0 hm³30.3 % of capacity

What it means for water supply

A fill level in the normal range rarely leads to restrictions on its own.

Weather at the gauge

The forecast is not available right now.

Sunrise 08:22 AM Sunset 07:26 PM Daylight 11h 3m First quarter 34 %

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Embalse de UrdalurReservoir 50.0 % Normal 32 km
Embalse de IbiurReservoir 62.5 % Normal 42 km
Embalse de EúguiReservoir 47.6 % Low 45 km
Embalse de ItoizReservoir 32.4 % Normal 48 km
Embalse de Ibai-EderReservoir 63.6 % Normal 51 km
Embalse de UrkuluReservoir 80.0 % Normal 55 km
Embalse de AñarbeReservoir 55.3 % Low 57 km
Embalse de UllivarriReservoir 61.0 % Normal 59 km

Questions and answers

How full is Embalse de Alloz?

Embalse de Alloz is 30.3 % full, holding 20.0 hm³ out of a capacity of 66.0 hm³.

How does Embalse de Alloz compare with last year?

It is 12.1 pts lower than on the same day last year, when the reading was 42.4 %.

How often is Embalse de Alloz updated?

Once a day. The source, Ministerio para la Transición Ecológica y el Reto Demográfico (MITECO), publishes a single daily value; the latest is from Oct 13, 2026.

What is the water level of Embalse de Alloz today?

On Oct 13, 2026, the percent full was 30.3 %. Down 1.5 pts over the last 7 days.

Is Embalse de Alloz rising or falling?

Down 1.5 pts over the last 7 days.

Is the level of Embalse de Alloz normal?

Normal for mid-October. Compared with 39 years of daily readings for this time of year.

How full is Embalse de Alloz?

The reservoir is 30.3 % full, holding 20.0 hm³ of its 66.0 hm³ capacity.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Ministerio para la Transición Ecológica y el Reto Demográfico (MITECO)
Station code
miteco:Alloz (Agency page)
Coordinates
42.71933, -1.94698 (WGS84)
Update interval
once a week
Licence
Reutilización de la información del sector público (Ley 37/2007). Fuente: MITECO, Boletín Hidrológico semanal (datos provisionales). Ubicaciones: Wikidata (CC0) y © OpenStreetMap contributors (ODbL)

Published series

ParameterLast valueTime (UTC)Quality
Percent full pct_full 30.3 % 2026-10-13 00:00 Provisional
Water stored storage 20.0 hm³ 2026-10-13 00:00 Provisional

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How to cite

Ministerio para la Transición Ecológica y el Reto Demográfico (MITECO): Embalse de Alloz (miteco:Alloz). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/spain/ebro/embalse-de-alloz

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.