SOBRADINHO
Bahia · SAO FRANCISCO
Capacity
34,116 hm³
Coordinates
-9.430°N, 40.830°W
Operator
ONS
Current fill
90.5%vs 7 days ago
-1.4%losing
vs 1 year ago
+30.0%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 34,116 hm³ |
| Usable capacity | 28,669 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | SÃO FRANCISCO |
| Province | Bahia |
| River basin | SAO FRANCISCO |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -9.430, -40.830 · Open in Google Maps
About SOBRADINHO
As of June 10, 2026, SOBRADINHO is filled to 90.5% of its total capacity, holding roughly 25,957 hm³ of water out of a maximum 34,116 hm³. At this level the reservoir is high. Of that total, about 28,669 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-1.4 pts), and it is 30.0 points above its level on the same date a year earlier.
Across the readings we hold for SOBRADINHO — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 41.2% (November 28, 2025) to a high of 99.9% (May 1, 2026). On average the reservoir is fullest around May and at its lowest around November.
It is operated by ONS primarily for hydroelectric power. It lies within the SAO FRANCISCO basin at 9.430°S, 40.830°W.
Key facts
- Current fill level
- 90.5%
- Water stored
- 25,957 hm³
- Total capacity
- 34,116 hm³
- Usable capacity
- 28,669 hm³
- 7-day change
- ▼ 1.4 pts
- Year-on-year
- ▲ 30.0 pts
- Primary use
- Hydroelectric power
- River
- SÃO FRANCISCO
- River basin
- SAO FRANCISCO
- Operator
- ONS
- Coordinates
- 9.430°S, 40.830°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 90.5% | 25,957 |
| 5 Jun 2026 | 91.9% | 26,350 |
| 29 May 2026 | 93.8% | 26,906 |
| 22 May 2026 | 95.5% | 27,390 |
| 15 May 2026 | 97.2% | 27,878 |
| 8 May 2026 | 98.8% | 28,334 |
| 1 May 2026 | 99.8% | 28,626 |
| 24 Apr 2026 | 99.3% | 28,460 |
| 17 Apr 2026 | 97.2% | 27,878 |
| 10 Apr 2026 | 94.5% | 27,107 |
| 3 Apr 2026 | 90.7% | 25,997 |
| 27 Mar 2026 | 86.7% | 24,845 |
Frequently asked questions
What is the current water level of SOBRADINHO?
As of June 10, 2026, SOBRADINHO is at 90.5% of its capacity, holding approximately 25,957 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is SOBRADINHO reservoir full?
No. As of June 10, 2026, SOBRADINHO is high at 90.5% of its capacity, so it is not full.
Is the water level at SOBRADINHO rising or falling?
The level at SOBRADINHO has been broadly stable over the latest week on record (-1.4 points).
How much water can SOBRADINHO hold?
SOBRADINHO has a total capacity of 34,116 hm³, of which about 28,669 hm³ is usable storage.
Where is SOBRADINHO reservoir located?
SOBRADINHO is located in Bahia, Brazil, within the SAO FRANCISCO basin (coordinates 9.430°S, 40.830°W).
What is SOBRADINHO used for?
SOBRADINHO is used primarily for hydroelectric power, and is managed by ONS.