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%vs 7 days ago
N/Avs 1 year ago
N/A7-day trend
N/ADrought context
Rain over the last three months · 11 October 2026
Moderately dry
In the three months to 11 October 2026 the area around Pego do Altar had well below normal rain, a shortfall seen about one year in six. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.46). Rain, not storage.
EU drought indicator · 11 October 2026
Watchrainfall deficit
The European Drought Observatory's combined reading of rain, soil moisture and vegetation at this point. Watch means rain has been short, Warning that the soil has dried out, Alert that vegetation is visibly stressed; Recovery means the shortfall is easing. Ground conditions, not the reservoir's storage. Portugal drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 98 hm³ |
| Usable capacity | 88.2 hm³ |
| Primary use | Multi-purpose |
| Operator | RH6 |
| Province | Setúbal |
| Region | Alentejo |
| River basin | Sado |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.330°N, 8.540°W · Open in Google Maps
About Pego do Altar
As of October 27, 2026, Pego do Altar is filled to 73.1% of its total capacity, holding 71.6 hm³ of water out of a maximum 98 hm³. At this level the reservoir is within its normal operating range. Of that total, 88.2 hm³ is usable (live) storage.
No reading from about a week earlier is on file, so the 7-day change is not available.
Across the readings we hold for Pego do Altar — 1 data points between October 27, 2026 and October 27, 2026 — the level has ranged from a low of 73.1% (October 27, 2026) to a high of 73.1% (October 27, 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% of total capacity
- Water stored
- 71.6 hm³
- Total capacity
- 98 hm³
- Usable capacity
- 88.2 hm³
- 7-day change
- N/A
- Primary use
- Multipurpose
- River basin
- Sado
- Operator
- RH6
- Coordinates
- 38.330°N, 8.540°W
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Oct 2026 | 73.1% | 71.6 |