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Alentejo
NormalMulti-purpose

Pego do Altar

Setúbal · Alentejo · Sado

Capacity

98 hm³

Coordinates

38.330°N, 8.540°W

Operator

RH6

73.1% full

Current fill

73.1%
Normal

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 capacity98 hm³
Usable capacity88.2 hm³
Primary useMulti-purpose
OperatorRH6
RiverSado
ProvinceSetúbal
Autonomous communityAlentejo
River basinSado
Data source:SNIRH·Last reading: 2026-09-08

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.330, -8.540 · Open in Google Maps

About Pego do Altar

As of September 8, 2026, Pego do Altar is filled to 73.1% of its total capacity, holding roughly 72 hm³ of water out of a maximum 98 hm³. At this level the reservoir is within its normal operating range. Of that total, about 88 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 Pego do Altar — 1 data points between September 8, 2026 and September 8, 2026 — the level has ranged from a low of 73.1% (September 8, 2026) to a high of 73.1% (September 8, 2026).

It is operated by RH6 primarily for multiple purposes. It lies within the Sado basin at 38.330°N, 8.540°W.

Key facts

Current fill level
73.1%
Water stored
72 hm³
Total capacity
98 hm³
Usable capacity
88 hm³
7-day change
No change
Primary use
Multipurpose
River
Sado
River basin
Sado
Operator
RH6
Coordinates
38.330°N, 8.540°W
Last updated
September 8, 2026

Recent readings

DateFill levelVolume (hm³)
8 Sep 202673.1%72

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