Irueña
Salamanca · Castile and León · Duero
Capacity
110 hm³
Coordinates
40.443°N, 6.583°W
Operator
CHD
49.1% full
Current fill
49.1%vs 7 days ago
-0.9%losing
vs 1 year ago
+15.5%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 110 hm³ |
| Usable capacity | 99 hm³ |
| Primary use | Multi-purpose |
| Operator | CHD |
| Province | Salamanca |
| Autonomous community | Castile and León |
| River basin | Duero |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.443, -6.583 · Open in Google Maps
About Irueña
As of October 6, 2026, Irueña is filled to 49.1% of its total capacity, holding roughly 54 hm³ of water out of a maximum 110 hm³. At this level the reservoir is within its normal operating range. Of that total, about 99 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it is 15.5 points above its level on the same date a year earlier.
Across the readings we hold for Irueña — 158 data points between October 3, 2023 and October 6, 2026 — the level has ranged from a low of 32.7% (October 21, 2025) to a high of 90.0% (April 16, 2024). On average the reservoir is fullest around April and at its lowest around October.
It is operated by CHD primarily for multiple purposes. It lies within the Duero basin at 40.443°N, 6.583°W.
Key facts
- Current fill level
- 49.1%
- Water stored
- 54 hm³
- Total capacity
- 110 hm³
- Usable capacity
- 99 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▲ 15.5 pts
- Primary use
- Multipurpose
- River basin
- Duero
- Operator
- CHD
- Coordinates
- 40.443°N, 6.583°W
- Last updated
- October 6, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 6 Oct 2026 | 49.1% | 54 |
| 29 Sep 2026 | 50.0% | 55 |
| 22 Sep 2026 | 52.7% | 58 |
| 15 Sep 2026 | 55.5% | 61 |
| 8 Sep 2026 | 57.3% | 63 |
| 1 Sep 2026 | 59.1% | 65 |
| 25 Aug 2026 | 60.9% | 67 |
| 18 Aug 2026 | 62.7% | 69 |
| 11 Aug 2026 | 64.5% | 71 |
| 4 Aug 2026 | 66.4% | 73 |
| 28 Jul 2026 | 69.1% | 76 |
| 21 Jul 2026 | 70.9% | 78 |