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Castile-La Mancha
NormalMulti-purpose

Alarcón

Cuenca · Castile-La Mancha · Júcar

Capacity

1,118 hm³

Coordinates

39.657°N, 2.218°W

Operator

CHJ

75.5% full

Current fill

75.5%
Normal

vs 7 days ago

-0.5%

losing

vs 1 year ago

+10.1%

year-over-year

7-day trend

stable

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity1,118 hm³
Usable capacity1,006.2 hm³
Primary useMulti-purpose
OperatorCHJ
ProvinceCuenca
Autonomous communityCastile-La Mancha
River basinJúcar
Data source:embalses.net·Last reading: 2026-07-27

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.657, -2.218 · Open in Google Maps

About Alarcón

As of July 27, 2026, Alarcón is filled to 75.5% of its total capacity, holding roughly 844 hm³ of water out of a maximum 1,118 hm³. At this level the reservoir is within its normal operating range. Of that total, about 1,006 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (-0.5 pts), and it is 10.1 points above its level on the same date a year earlier.

Across the readings we hold for Alarcón — 420 data points between July 17, 2018 and July 27, 2026 — the level has ranged from a low of 30.6% (November 12, 2019) to a high of 79.5% (April 21, 2026). On average the reservoir is fullest around May and at its lowest around October.

It is operated by CHJ primarily for multiple purposes. It lies within the Júcar basin at 39.657°N, 2.218°W.

Key facts

Current fill level
75.5%
Water stored
844 hm³
Total capacity
1,118 hm³
Usable capacity
1,006 hm³
7-day change
▼ 0.5 pts
Year-on-year
▲ 10.1 pts
Primary use
Multipurpose
River basin
Júcar
Operator
CHJ
Coordinates
39.657°N, 2.218°W
Last updated
July 27, 2026

Recent readings

DateFill levelVolume (hm³)
27 Jul 202675.5%844
20 Jul 202676.0%850
14 Jul 202676.7%858
7 Jul 202677.0%861
30 Jun 202677.5%866
23 Jun 202677.9%871
16 Jun 202678.3%875
9 Jun 202678.6%879
2 Jun 202678.9%882
26 May 202679.2%885
19 May 202679.3%887
12 May 202679.3%887

Frequently asked questions

What is the current water level of Alarcón?

As of July 27, 2026, Alarcón is at 75.5% of its capacity, holding approximately 844 hm³ of water, according to embalses.net data.

Is Alarcón reservoir full?

No. As of July 27, 2026, Alarcón is within its normal operating range at 75.5% of its capacity, so it is not full.

Is the water level at Alarcón rising or falling?

The level at Alarcón has been broadly stable over the latest week on record (-0.5 points).

How much water can Alarcón hold?

Alarcón has a total capacity of 1,118 hm³, of which about 1,006 hm³ is usable storage.

Where is Alarcón reservoir located?

Alarcón is located in Cuenca, Castile-La Mancha, Spain, within the Júcar basin (coordinates 39.657°N, 2.218°W).

What is Alarcón used for?

Alarcón is used primarily for multiple purposes, and is managed by CHJ.

Nearby reservoirs

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