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Community of Madrid
NormalMulti-purpose

La Jarosa

Community of Madrid · Tajo

Capacity

7 hm³

Coordinates

40.668°N, 4.123°W

Operator

CHT

Current fill

71.4%
Normal

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 capacity7 hm³
Usable capacity6.3 hm³
Primary useMulti-purpose
OperatorCHT
Autonomous communityCommunity of Madrid
River basinTajo
Data source:MITECO·Last reading: 2026-06-09

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

DateFill levelVolume (hm³)
9 Jun 202671.4%5
2 Jun 202671.4%5
26 May 202671.4%5
19 May 202671.4%5
12 May 202671.4%5
5 May 202671.4%5
28 Apr 202671.4%5
21 Apr 202671.4%5
14 Apr 202671.4%5
7 Apr 202685.7%6
31 Mar 202685.7%6
24 Mar 202685.7%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.

Nearby reservoirs

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