Castrelo
Ourense · Galicia · Miño - Sil
Capacity
60 hm³
Coordinates
42.301°N, 8.106°W
Operator
CHS
83.3% full
Current fill
83.3%vs 7 days ago
-3.4%losing
vs 1 year ago
-5.0%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 60 hm³ |
| Usable capacity | 54 hm³ |
| Primary use | Multi-purpose |
| Operator | CHS |
| Province | Ourense |
| Autonomous community | Galicia |
| River basin | Miño - Sil |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.301, -8.106 · Open in Google Maps
About Castrelo
As of September 7, 2026, Castrelo is filled to 83.3% of its total capacity, holding roughly 50 hm³ of water out of a maximum 60 hm³. At this level the reservoir is high. Of that total, about 54 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 3.4 percentage points, and it is 5.0 points below its level on the same date a year earlier.
Across the readings we hold for Castrelo — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 73.3% (January 29, 2019) to a high of 95.0% (November 19, 2019). On average the reservoir is fullest around July and at its lowest around January.
It is operated by CHS primarily for multiple purposes. It lies within the Miño - Sil basin at 42.301°N, 8.106°W.
Key facts
- Current fill level
- 83.3%
- Water stored
- 50 hm³
- Total capacity
- 60 hm³
- Usable capacity
- 54 hm³
- 7-day change
- ▼ 3.4 pts
- Year-on-year
- ▼ 5.0 pts
- Primary use
- Multipurpose
- River basin
- Miño - Sil
- Operator
- CHS
- Coordinates
- 42.301°N, 8.106°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 83.3% | 50 |
| 1 Sep 2026 | 86.7% | 52 |
| 25 Aug 2026 | 83.3% | 50 |
| 18 Aug 2026 | 86.7% | 52 |
| 11 Aug 2026 | 86.7% | 52 |
| 4 Aug 2026 | 86.7% | 52 |
| 28 Jul 2026 | 86.7% | 52 |
| 21 Jul 2026 | 83.3% | 50 |
| 14 Jul 2026 | 85.0% | 51 |
| 7 Jul 2026 | 86.7% | 52 |
| 30 Jun 2026 | 83.3% | 50 |
| 23 Jun 2026 | 85.0% | 51 |