Jarrama
Tinto, Odiel y Piedras
Capacity
43 hm³
Coordinates
37.667°N, 6.500°W
Operator
Tinto, Odiel y Piedras
60.5% full
Current fill
60.5%vs 13 Oct 2026
0.0 ppstable
vs 1 year ago
-4.6 ppyear-over-year
Trend
→stable
Drought context
Storage vs October average
83%of normal
60.5% full on 2026-10-19, against an average of 73.2% for October across 9 years of readings (-12.7 points).
Rain over the last three months · 11 October 2026
Moderately dry
In the three months to 11 October 2026 the area around Jarrama 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 −1.33). Rain, not storage.
EU drought indicator · 11 October 2026
Watchrainfall 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 | 43 hm³ |
| Primary use | — |
| Operator | Tinto, Odiel y Piedras |
| River basin | Tinto, Odiel y Piedras |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.667°N, 6.500°W · Open in Google Maps
About Jarrama
As of October 19, 2026, Jarrama is filled to 60.5% of its total capacity, holding 26 hm³ of water out of a maximum 43 hm³. At this level the reservoir is within its normal operating range.
Since October 13, 2026 the fill level has held broadly steady (+0.0 pp), and it is 4.6 points below its level on the same date a year earlier.
Across the readings we hold for Jarrama — 419 data points between October 16, 2018 and October 19, 2026 — the level has ranged from a low of 37.2% (December 6, 2022) to a high of 100.0% (April 2, 2024). On average the reservoir is fullest around April and at its lowest around October.
It is operated by Tinto, Odiel y Piedras. It lies within the Tinto, Odiel y Piedras basin at 37.667°N, 6.500°W.
Key facts
- Current fill level
- 60.5% of total capacity
- Water stored
- 26 hm³
- Total capacity
- 43 hm³
- Change since October 13, 2026
- No change
- Year-on-year
- ▼ 4.6 pp
- River basin
- Tinto, Odiel y Piedras
- Operator
- Tinto, Odiel y Piedras
- Coordinates
- 37.667°N, 6.500°W
- Last updated
- October 19, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 19 Oct 2026 | 60.5% | 26 |
| 13 Oct 2026 | 60.5% | 26 |
| 6 Oct 2026 | 60.5% | 26 |
| 29 Sep 2026 | 60.5% | 26 |
| 22 Sep 2026 | 62.8% | 27 |
| 15 Sep 2026 | 62.8% | 27 |
| 8 Sep 2026 | 65.1% | 28 |
| 1 Sep 2026 | 67.4% | 29 |
| 25 Aug 2026 | 67.4% | 29 |
| 18 Aug 2026 | 69.8% | 30 |
| 11 Aug 2026 | 69.8% | 30 |
| 4 Aug 2026 | 72.1% | 31 |