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High—

San Martiño

Miño - Sil

Capacity

10 hm³

Coordinates

42.386°N, 7.143°W

Operator

Miño - Sil

90.0% full

Current fill

90.0%
High

vs 13 Oct 2026

0.0 pp

stable

vs 1 year ago

0.0 pp

year-over-year

Trend

→

stable

Drought context

Storage vs October average

100%of normal

90.0% full on 2026-10-19, against an average of 89.6% for October across 9 years of readings (+0.4 points).

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around San Martiño had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.96). Rain, not storage.

EU drought indicator · 11 October 2026

Noneno drought signal

The European Drought Observatory's combined reading of rain, soil moisture and vegetation at this point. Watch means rain has been short, Warning that the soil has dried out, Alert that vegetation is visibly stressed; Recovery means the shortfall is easing. Ground conditions, not the reservoir's storage. Spain drought figures →

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity10 hm³
Primary use—
OperatorMiño - Sil
River basinMiño - Sil
Data source:embalses.net·Last reading: 2026-10-19

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.386°N, 7.143°W · Open in Google Maps

About San Martiño

As of October 19, 2026, San Martiño is filled to 90.0% of its total capacity, holding 9 hm³ of water out of a maximum 10 hm³. At this level the reservoir is high.

Since October 13, 2026 the fill level has held broadly steady (+0.0 pp), and it sits close to where it was a year earlier.

Across the readings we hold for San Martiño — 419 data points between October 16, 2018 and October 19, 2026 — the level has ranged from a low of 80.0% (January 3, 2023) to a high of 100.0% (November 5, 2019). On average the reservoir is fullest around January and at its lowest around April.

It is operated by Miño - Sil. It lies within the Miño - Sil basin at 42.386°N, 7.143°W.

Key facts

Current fill level
90.0% of total capacity
Water stored
9 hm³
Total capacity
10 hm³
Change since October 13, 2026
No change
Year-on-year
No change
River basin
Miño - Sil
Operator
Miño - Sil
Coordinates
42.386°N, 7.143°W
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 202690.0%9
13 Oct 202690.0%9
6 Oct 202690.0%9
29 Sep 202690.0%9
22 Sep 202690.0%9
15 Sep 202690.0%9
8 Sep 202690.0%9
1 Sep 202690.0%9
25 Aug 202690.0%9
18 Aug 202690.0%9
11 Aug 202690.0%9
4 Aug 202690.0%9

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