Rosarito
Toledo · Castile-La Mancha · Tajo
Capacity
82 hm³
Coordinates
40.096°N, 5.299°W
Operator
CHT
17.1% full
Current fill
17.1%vs 7 days ago
-6.1%losing
vs 1 year ago
-7.3%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 82 hm³ |
| Usable capacity | 73.8 hm³ |
| Primary use | Multi-purpose |
| Operator | CHT |
| Province | Toledo |
| Autonomous community | Castile-La Mancha |
| River basin | Tajo |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.096, -5.299 · Open in Google Maps
About Rosarito
As of September 7, 2026, Rosarito is filled to 17.1% of its total capacity, holding roughly 14 hm³ of water out of a maximum 82 hm³. At this level the reservoir is critically low. Of that total, about 74 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 6.1 percentage points, and it is 7.3 points below its level on the same date a year earlier.
Across the readings we hold for Rosarito — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 8.5% (October 9, 2018) to a high of 100.0% (May 7, 2019). On average the reservoir is fullest around May and at its lowest around September.
It is operated by CHT primarily for multiple purposes. It lies within the Tajo basin at 40.096°N, 5.299°W.
Key facts
- Current fill level
- 17.1%
- Water stored
- 14 hm³
- Total capacity
- 82 hm³
- Usable capacity
- 74 hm³
- 7-day change
- ▼ 6.1 pts
- Year-on-year
- ▼ 7.3 pts
- Primary use
- Multipurpose
- River basin
- Tajo
- Operator
- CHT
- Coordinates
- 40.096°N, 5.299°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 17.1% | 14 |
| 1 Sep 2026 | 23.2% | 19 |
| 25 Aug 2026 | 26.8% | 22 |
| 18 Aug 2026 | 31.7% | 26 |
| 11 Aug 2026 | 39.0% | 32 |
| 4 Aug 2026 | 47.6% | 39 |
| 28 Jul 2026 | 53.7% | 44 |
| 21 Jul 2026 | 62.2% | 51 |
| 14 Jul 2026 | 70.7% | 58 |
| 7 Jul 2026 | 76.8% | 63 |
| 30 Jun 2026 | 84.1% | 69 |
| 23 Jun 2026 | 91.5% | 75 |