Doiras
Asturias · Asturias · Cantábrico Occidental
Capacity
97 hm³
Coordinates
43.377°N, 6.832°W
Operator
CHCoc
74.2% full
Current fill
74.2%vs 7 days ago
+1.0%gaining
vs 1 year ago
0.0%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
95%of normal
74.2% full on 2026-10-13, against an average of 77.7% for October across 9 years of readings (-3.5 points).
Rain over the last three months · 21 September 2026
Near normal
In the three months to 21 September 2026 the area around Doiras 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 −0.30). Rain, not storage.
EU drought indicator · 11 September 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 capacity | 97 hm³ |
| Usable capacity | 87.3 hm³ |
| Primary use | Multi-purpose |
| Operator | CHCoc |
| Province | Asturias |
| Autonomous community | Asturias |
| River basin | Cantábrico Occidental |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 43.377, -6.832 · Open in Google Maps
About Doiras
As of October 13, 2026, Doiras is filled to 74.2% of its total capacity, holding roughly 72 hm³ of water out of a maximum 97 hm³. At this level the reservoir is within its normal operating range. Of that total, about 87 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+1.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Doiras — 418 data points between October 16, 2018 and October 13, 2026 — the level has ranged from a low of 60.8% (July 12, 2022) to a high of 97.9% (January 31, 2023). On average the reservoir is fullest around May and at its lowest around October.
It is operated by CHCoc primarily for multiple purposes. It lies within the Cantábrico Occidental basin at 43.377°N, 6.832°W.
Key facts
- Current fill level
- 74.2%
- Water stored
- 72 hm³
- Total capacity
- 97 hm³
- Usable capacity
- 87 hm³
- 7-day change
- ▲ 1.0 pts
- Year-on-year
- No change
- Primary use
- Multipurpose
- River basin
- Cantábrico Occidental
- Operator
- CHCoc
- Coordinates
- 43.377°N, 6.832°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 74.2% | 72 |
| 6 Oct 2026 | 73.2% | 71 |
| 29 Sep 2026 | 74.2% | 72 |
| 22 Sep 2026 | 78.4% | 76 |
| 15 Sep 2026 | 75.3% | 73 |
| 8 Sep 2026 | 78.4% | 76 |
| 1 Sep 2026 | 79.4% | 77 |
| 25 Aug 2026 | 79.4% | 77 |
| 18 Aug 2026 | 79.4% | 77 |
| 11 Aug 2026 | 80.4% | 78 |
| 4 Aug 2026 | 81.4% | 79 |
| 28 Jul 2026 | 83.5% | 81 |