Portodemouros
Terra de Melide · Galicia · Galicia Costa
Capacity
297 hm³
Coordinates
42.850°N, 8.141°W
Operator
AGA
42.4% full
Current fill
42.4%vs 13 Oct 2026
-2.0 pplosing
vs 1 year ago
+14.1 ppyear-over-year
Trend
↓falling
Drought context
Storage vs October average
88%of normal
42.4% full on 2026-10-19, against an average of 48.2% for October across 9 years of readings (-5.8 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Portodemouros 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 −0.90). Rain, not storage.
EU drought indicator · 11 October 2026
Warningsoil-moisture deficit
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 capacity | 297 hm³ |
| Primary use | Multi-purpose |
| Operator | AGA |
| Province | Terra de Melide |
| Region | Galicia |
| River basin | Galicia Costa |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.850°N, 8.141°W · Open in Google Maps
About Portodemouros
As of October 19, 2026, Portodemouros is filled to 42.4% of its total capacity, holding 126 hm³ of water out of a maximum 297 hm³. At this level the reservoir is within its normal operating range.
Since October 13, 2026 the fill level has fallen by 2.0 percentage points, and it is 14.1 points above its level on the same date a year earlier.
Across the readings we hold for Portodemouros — 419 data points between October 16, 2018 and October 19, 2026 — the level has ranged from a low of 27.9% (October 28, 2025) to a high of 100.0% (December 24, 2019). On average the reservoir is fullest around February and at its lowest around October.
It is operated by AGA primarily for multiple purposes. It lies within the Galicia Costa basin at 42.850°N, 8.141°W.
Key facts
- Current fill level
- 42.4% of total capacity
- Water stored
- 126 hm³
- Total capacity
- 297 hm³
- Change since October 13, 2026
- ▼ 2.0 pp
- Year-on-year
- ▲ 14.1 pp
- Primary use
- Multipurpose
- River basin
- Galicia Costa
- Operator
- AGA
- Coordinates
- 42.850°N, 8.141°W
- Last updated
- October 19, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 19 Oct 2026 | 42.4% | 126 |
| 13 Oct 2026 | 44.4% | 132 |
| 6 Oct 2026 | 46.8% | 139 |
| 29 Sep 2026 | 49.2% | 146 |
| 22 Sep 2026 | 51.5% | 153 |
| 15 Sep 2026 | 54.2% | 161 |
| 8 Sep 2026 | 56.6% | 168 |
| 1 Sep 2026 | 56.9% | 169 |
| 25 Aug 2026 | 57.2% | 170 |
| 18 Aug 2026 | 57.9% | 172 |
| 11 Aug 2026 | 59.9% | 178 |
| 4 Aug 2026 | 59.9% | 178 |