Valmayor
Community of Madrid · Tajo
Capacity
124 hm³
Coordinates
40.551°N, 4.056°W
Operator
CHT
Current fill
82.3%vs 7 days ago
-0.8%losing
vs 1 year ago
-8.8%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 124 hm³ |
| Usable capacity | 111.6 hm³ |
| Primary use | Multi-purpose |
| Operator | CHT |
| Autonomous community | Community of Madrid |
| River basin | Tajo |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.551, -4.056 · Open in Google Maps
About Valmayor
As of June 9, 2026, Valmayor is filled to 82.3% of its total capacity, holding roughly 102 hm³ of water out of a maximum 124 hm³. At this level the reservoir is high. Of that total, about 112 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.8 pts), and it is 8.8 points below its level on the same date a year earlier.
Across the readings we hold for Valmayor — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 46.8% (August 20, 2024) to a high of 99.2% (May 13, 2025). On average the reservoir is fullest around April and at its lowest around September.
It is operated by CHT primarily for multiple purposes. It lies within the Tajo basin at 40.551°N, 4.056°W.
Key facts
- Current fill level
- 82.3%
- Water stored
- 102 hm³
- Total capacity
- 124 hm³
- Usable capacity
- 112 hm³
- 7-day change
- ▼ 0.8 pts
- Year-on-year
- ▼ 8.8 pts
- Primary use
- Multipurpose
- River basin
- Tajo
- Operator
- CHT
- Coordinates
- 40.551°N, 4.056°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 82.3% | 102 |
| 2 Jun 2026 | 83.1% | 103 |
| 26 May 2026 | 85.5% | 106 |
| 19 May 2026 | 87.9% | 109 |
| 12 May 2026 | 88.7% | 110 |
| 5 May 2026 | 89.5% | 111 |
| 28 Apr 2026 | 90.3% | 112 |
| 21 Apr 2026 | 91.9% | 114 |
| 14 Apr 2026 | 93.5% | 116 |
| 7 Apr 2026 | 95.2% | 118 |
| 31 Mar 2026 | 96.0% | 119 |
| 24 Mar 2026 | 96.8% | 120 |
Frequently asked questions
What is the current water level of Valmayor?
As of June 9, 2026, Valmayor is at 82.3% of its capacity, holding approximately 102 hm³ of water, according to MITECO data.
Is Valmayor reservoir full?
No. As of June 9, 2026, Valmayor is high at 82.3% of its capacity, so it is not full.
Is the water level at Valmayor rising or falling?
The level at Valmayor has been broadly stable over the latest week on record (-0.8 points).
How much water can Valmayor hold?
Valmayor has a total capacity of 124 hm³, of which about 112 hm³ is usable storage.
Where is Valmayor reservoir located?
Valmayor is located in Community of Madrid, Spain, within the Tajo basin (coordinates 40.551°N, 4.056°W).
What is Valmayor used for?
Valmayor is used primarily for multiple purposes, and is managed by CHT.