Pajares
Rioja · Ebro
Capacity
35 hm³
Coordinates
42.086°N, 2.601°W
Operator
CHE
42.9% full
Current fill
42.9%vs 7 days ago
0.0%stable
vs 1 year ago
-14.2%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
111%of normal
42.9% full on 2026-10-13, against an average of 38.5% for October across 9 years of readings (+4.4 points).
Rain over the last three months · 21 September 2026
Moderately dry
In the three months to 21 September 2026 the area around Pajares had well below normal rain, a shortfall seen about one year in six. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.46). 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 | 35 hm³ |
| Usable capacity | 31.5 hm³ |
| Primary use | Multi-purpose |
| Operator | CHE |
| Autonomous community | Rioja |
| River basin | Ebro |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.086, -2.601 · Open in Google Maps
About Pajares
As of October 13, 2026, Pajares is filled to 42.9% of its total capacity, holding roughly 15 hm³ of water out of a maximum 35 hm³. At this level the reservoir is within its normal operating range. Of that total, about 32 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 14.2 points below its level on the same date a year earlier.
Across the readings we hold for Pajares — 418 data points between October 16, 2018 and October 13, 2026 — the level has ranged from a low of 22.9% (October 29, 2019) to a high of 100.0% (May 10, 2022). On average the reservoir is fullest around May and at its lowest around November.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.086°N, 2.601°W.
Key facts
- Current fill level
- 42.9%
- Water stored
- 15 hm³
- Total capacity
- 35 hm³
- Usable capacity
- 32 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 14.2 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.086°N, 2.601°W
- Last updated
- October 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Oct 2026 | 42.9% | 15 |
| 6 Oct 2026 | 42.9% | 15 |
| 29 Sep 2026 | 45.7% | 16 |
| 22 Sep 2026 | 48.6% | 17 |
| 15 Sep 2026 | 48.6% | 17 |
| 8 Sep 2026 | 51.4% | 18 |
| 1 Sep 2026 | 51.4% | 18 |
| 25 Aug 2026 | 51.4% | 18 |
| 18 Aug 2026 | 57.1% | 20 |
| 11 Aug 2026 | 62.9% | 22 |
| 4 Aug 2026 | 65.7% | 23 |
| 28 Jul 2026 | 68.6% | 24 |