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Alentejo
HighMulti-purpose

Montargil

Portalegre · Alentejo · Tejo

Capacity

291 hm³

Coordinates

39.083°N, 8.167°W

Operator

RH5

85.2% full

Current fill

85.2%
High

vs 7 days ago

0.0%

stable

vs 1 year ago

N/A

7-day trend

stable

Catchment Weather

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

Technical specifications

Total capacity291 hm³
Usable capacity261.9 hm³
Primary useMulti-purpose
OperatorRH5
RiverTejo
ProvincePortalegre
Autonomous communityAlentejo
River basinTejo
Data source:SNIRH·Last reading: 2026-09-08

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.083, -8.167 · Open in Google Maps

About Montargil

As of September 8, 2026, Montargil is filled to 85.2% of its total capacity, holding roughly 248 hm³ of water out of a maximum 291 hm³. At this level the reservoir is high. Of that total, about 262 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (+0.0 pts).

Across the readings we hold for Montargil — 1 data points between September 8, 2026 and September 8, 2026 — the level has ranged from a low of 85.2% (September 8, 2026) to a high of 85.2% (September 8, 2026).

It is operated by RH5 primarily for multiple purposes. It lies within the Tejo basin at 39.083°N, 8.167°W.

Key facts

Current fill level
85.2%
Water stored
248 hm³
Total capacity
291 hm³
Usable capacity
262 hm³
7-day change
No change
Primary use
Multipurpose
River
Tejo
River basin
Tejo
Operator
RH5
Coordinates
39.083°N, 8.167°W
Last updated
September 8, 2026

Recent readings

DateFill levelVolume (hm³)
8 Sep 202685.2%248

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