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Embalse de Rialb water level

Reservoir, Ebro, Spain

Right now

Normal for mid-October

Percent full

51.7% Up 0.7 pts over the last 7 days

Water stored
209 hm³
0 25 50 75 100
Percent full: 51.7 %. Normal for mid-October.

History

History
0255075%Sep 22Sep 27Oct 2Oct 7Oct 130255075%Sep 22Oct 2Oct 13
0255075100%Oct 2025Jan 2026Apr 2026Jul 2026Oct 20260255075100%Oct 2025Apr 2026Oct 2026
0255075100%Oct 2016Apr 2019Oct 2021Apr 2024Oct 20260255075100%Oct 2016Oct 2021Sep 2026
0255075100%JanMarMayJulSepNov20260255075100%JanAprJulOct2026

202120222023202420252026

Percent full Normal range (10–90 %)

What this means

The fill level at Embalse de Rialb reads 51.7 % full, about where it usually sits at this time of year.

That puts it 3.5 pts above the median of 48.3 % for mid-October, based on 21 years of readings. A year ago it stood at 77.0 % (−25.2 pts).

It is on the way up, by 0.7 pts over the past week. The 30-day range is 50.5 % – 53.2 %.

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

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
48.3 %3.5 pts above the median for this date
Normal for this date
5.4 % – 77.0 %8 years in 10 fall in this range (21 years of records)
Same day last year
77.0 %−25.2 pts
Lowest and highest in 30 days
50.5 % – 53.2 %
Lowest and highest in 12 months
50.5 % – 99.0 %
Capacity
404 hm³51.7 % of capacity

What it means for water supply

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

Questions and answers

How full is Embalse de Rialb?

Embalse de Rialb is 51.7 % full, holding 209 hm³ out of a capacity of 404 hm³.

How does Embalse de Rialb compare with last year?

It is 25.2 pts lower than on the same day last year, when the reading was 77.0 %.

How often is Embalse de Rialb 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 Rialb today?

On Oct 13, 2026, the percent full was 51.7 %. Up 0.7 pts over the last 7 days.

Is Embalse de Rialb rising or falling?

Up 0.7 pts over the last 7 days.

Is the level of Embalse de Rialb normal?

Normal for mid-October. Compared with 21 years of daily readings for this time of year.

How full is Embalse de Rialb?

The reservoir is 51.7 % full, holding 209 hm³ of its 404 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:Rialb (Agency page)
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 51.7 % 2026-10-13 00:00 Provisional
Water stored storage 209 hm³ 2026-10-13 00:00 Provisional

Download

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How to cite

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

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.