LUIZ GONZAGA
Pernambuco · SAO FRANCISCO
Capacity
10,782 hm³
Coordinates
-9.141°N, 38.314°W
Operator
ONS
84.0% full
Current fill
84.0%vs 7 days ago
-0.9%losing
vs 1 year ago
-3.1%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 10,782 hm³ |
| Usable capacity | 3,549 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | SÃO FRANCISCO |
| Province | Pernambuco |
| River basin | SAO FRANCISCO |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -9.141, -38.314 · Open in Google Maps
About LUIZ GONZAGA
As of July 28, 2026, LUIZ GONZAGA is filled to 84.0% of its total capacity, holding roughly 2,981 hm³ of water out of a maximum 10,782 hm³. At this level the reservoir is high. Of that total, about 3,549 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it is 3.1 points below its level on the same date a year earlier.
Across the readings we hold for LUIZ GONZAGA — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 34.4% (December 31, 2025) to a high of 92.3% (September 19, 2025). On average the reservoir is fullest around September and at its lowest around December.
It is operated by ONS primarily for hydroelectric power. It lies within the SAO FRANCISCO basin at 9.141°S, 38.314°W.
Key facts
- Current fill level
- 84.0%
- Water stored
- 2,981 hm³
- Total capacity
- 10,782 hm³
- Usable capacity
- 3,549 hm³
- 7-day change
- ▼ 0.9 pts
- Year-on-year
- ▼ 3.1 pts
- Primary use
- Hydroelectric power
- River
- SÃO FRANCISCO
- River basin
- SAO FRANCISCO
- Operator
- ONS
- Coordinates
- 9.141°S, 38.314°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 84.0% | 2,981 |
| 24 Jul 2026 | 84.9% | 3,012 |
| 17 Jul 2026 | 88.4% | 3,138 |
| 10 Jul 2026 | 88.9% | 3,154 |
| 3 Jul 2026 | 90.2% | 3,202 |
| 26 Jun 2026 | 89.5% | 3,178 |
| 19 Jun 2026 | 88.0% | 3,123 |
| 12 Jun 2026 | 85.5% | 3,036 |
| 5 Jun 2026 | 79.2% | 2,810 |
| 29 May 2026 | 71.8% | 2,549 |
| 22 May 2026 | 62.1% | 2,205 |
| 15 May 2026 | 52.7% | 1,869 |
Frequently asked questions
What is the current water level of LUIZ GONZAGA?
As of July 28, 2026, LUIZ GONZAGA is at 84.0% of its capacity, holding approximately 2,981 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is LUIZ GONZAGA reservoir full?
No. As of July 28, 2026, LUIZ GONZAGA is high at 84.0% of its capacity, so it is not full.
Is the water level at LUIZ GONZAGA rising or falling?
The level at LUIZ GONZAGA has been broadly stable over the latest week on record (-0.9 points).
How much water can LUIZ GONZAGA hold?
LUIZ GONZAGA has a total capacity of 10,782 hm³, of which about 3,549 hm³ is usable storage.
Where is LUIZ GONZAGA reservoir located?
LUIZ GONZAGA is located in Pernambuco, Brazil, within the SAO FRANCISCO basin (coordinates 9.141°S, 38.314°W).
What is LUIZ GONZAGA used for?
LUIZ GONZAGA is used primarily for hydroelectric power, and is managed by ONS.