La Jarosa
Community of Madrid · Tajo
Capacity
7 hm³
Coordinates
40.668°N, 4.123°W
Operator
CHT
Current fill
71.4%vs 7 days ago
0.0%stable
vs 1 year ago
0.0%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 7 hm³ |
| Usable capacity | 6.3 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. 40.668, -4.123 · Open in Google Maps
About La Jarosa
As of June 9, 2026, La Jarosa is filled to 71.4% of its total capacity, holding roughly 5 hm³ of water out of a maximum 7 hm³. At this level the reservoir is within its normal operating range. Of that total, about 6 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for La Jarosa — 418 data points between June 12, 2018 and June 9, 2026 — the level has ranged from a low of 14.3% (October 15, 2019) to a high of 100.0% (March 9, 2021). 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 40.668°N, 4.123°W.
Key facts
- Current fill level
- 71.4%
- Water stored
- 5 hm³
- Total capacity
- 7 hm³
- Usable capacity
- 6 hm³
- 7-day change
- No change
- Year-on-year
- No change
- Primary use
- Multipurpose
- River basin
- Tajo
- Operator
- CHT
- Coordinates
- 40.668°N, 4.123°W
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Jun 2026 | 71.4% | 5 |
| 2 Jun 2026 | 71.4% | 5 |
| 26 May 2026 | 71.4% | 5 |
| 19 May 2026 | 71.4% | 5 |
| 12 May 2026 | 71.4% | 5 |
| 5 May 2026 | 71.4% | 5 |
| 28 Apr 2026 | 71.4% | 5 |
| 21 Apr 2026 | 71.4% | 5 |
| 14 Apr 2026 | 71.4% | 5 |
| 7 Apr 2026 | 85.7% | 6 |
| 31 Mar 2026 | 85.7% | 6 |
| 24 Mar 2026 | 85.7% | 6 |
Frequently asked questions
What is the current water level of La Jarosa?
As of June 9, 2026, La Jarosa is at 71.4% of its capacity, holding approximately 5 hm³ of water, according to MITECO data.
Is La Jarosa reservoir full?
No. As of June 9, 2026, La Jarosa is within its normal operating range at 71.4% of its capacity, so it is not full.
Is the water level at La Jarosa rising or falling?
The level at La Jarosa has been broadly stable over the latest week on record (0.0 points).
How much water can La Jarosa hold?
La Jarosa has a total capacity of 7 hm³, of which about 6 hm³ is usable storage.
Where is La Jarosa reservoir located?
La Jarosa is located in Community of Madrid, Spain, within the Tajo basin (coordinates 40.668°N, 4.123°W).
What is La Jarosa used for?
La Jarosa is used primarily for multiple purposes, and is managed by CHT.

