Buendía
Castile-La Mancha · Tajo
Capacity
1,705 hm³
Coordinates
40.382°N, 2.727°W
Operator
CHT
47.3% full
Current fill
47.3%vs 7 days ago
-0.7%losing
vs 1 year ago
-0.4%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 1,705 hm³ |
| Usable capacity | 1,534.5 hm³ |
| Primary use | Multi-purpose |
| Operator | CHT |
| Autonomous community | Castile-La Mancha |
| River basin | Tajo |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.382, -2.727 · Open in Google Maps
About Buendía
As of September 7, 2026, Buendía is filled to 47.3% of its total capacity, holding roughly 807 hm³ of water out of a maximum 1,705 hm³. At this level the reservoir is within its normal operating range. Of that total, about 1,535 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.7 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Buendía — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 12.6% (October 1, 2019) to a high of 59.6% (April 7, 2026). On average the reservoir is fullest around June and at its lowest around October.
It is operated by CHT primarily for multiple purposes. It lies within the Tajo basin at 40.382°N, 2.727°W.
Key facts
- Current fill level
- 47.3%
- Water stored
- 807 hm³
- Total capacity
- 1,705 hm³
- Usable capacity
- 1,535 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 0.4 pts
- Primary use
- Multipurpose
- River basin
- Tajo
- Operator
- CHT
- Coordinates
- 40.382°N, 2.727°W
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 47.3% | 807 |
| 1 Sep 2026 | 48.0% | 819 |
| 25 Aug 2026 | 48.9% | 833 |
| 18 Aug 2026 | 49.8% | 849 |
| 11 Aug 2026 | 50.6% | 863 |
| 4 Aug 2026 | 51.6% | 880 |
| 28 Jul 2026 | 52.6% | 897 |
| 21 Jul 2026 | 53.7% | 915 |
| 14 Jul 2026 | 54.7% | 932 |
| 7 Jul 2026 | 55.5% | 947 |
| 30 Jun 2026 | 56.3% | 960 |
| 23 Jun 2026 | 57.0% | 972 |