Mansilla
Rioja · Ebro
Capacity
68 hm³
Coordinates
42.151°N, 2.940°W
Operator
CHE
44.1% full
Current fill
44.1%vs 7 days ago
-3.0%losing
vs 1 year ago
-7.4%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 68 hm³ |
| Usable capacity | 61.2 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. 42.151, -2.940 · Open in Google Maps
About Mansilla
As of September 7, 2026, Mansilla is filled to 44.1% of its total capacity, holding roughly 30 hm³ of water out of a maximum 68 hm³. At this level the reservoir is within its normal operating range. Of that total, about 61 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 3.0 percentage points, and it is 7.4 points below its level on the same date a year earlier.
Across the readings we hold for Mansilla — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 27.9% (November 15, 2022) to a high of 95.6% (May 20, 2025). On average the reservoir is fullest around May and at its lowest around October.
It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 42.151°N, 2.940°W.
Key facts
- Current fill level
- 44.1%
- Water stored
- 30 hm³
- Total capacity
- 68 hm³
- Usable capacity
- 61 hm³
- 7-day change
- ▼ 3.0 pts
- Year-on-year
- ▼ 7.4 pts
- Primary use
- Multipurpose
- River basin
- Ebro
- Operator
- CHE
- Coordinates
- 42.151°N, 2.940°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 44.1% | 30 |
| 1 Sep 2026 | 47.1% | 32 |
| 25 Aug 2026 | 52.9% | 36 |
| 18 Aug 2026 | 57.4% | 39 |
| 11 Aug 2026 | 61.8% | 42 |
| 4 Aug 2026 | 64.7% | 44 |
| 28 Jul 2026 | 69.1% | 47 |
| 21 Jul 2026 | 73.5% | 50 |
| 14 Jul 2026 | 77.9% | 53 |
| 7 Jul 2026 | 80.9% | 55 |
| 30 Jun 2026 | 83.8% | 57 |
| 23 Jun 2026 | 86.8% | 59 |