N. AVANHANDAVA
São Paulo · TIETE
Capacity
2,720 hm³
Coordinates
-21.117°N, 50.202°W
Operator
ONS
Current fill
95.8%vs 7 days ago
+7.9%gaining
vs 1 year ago
+6.3%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 2,720 hm³ |
| Usable capacity | 378 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | TIETÊ |
| Province | São Paulo |
| River basin | TIETE |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -21.117, -50.202 · Open in Google Maps
About N. AVANHANDAVA
As of June 10, 2026, N. AVANHANDAVA is filled to 95.8% of its total capacity, holding roughly 362 hm³ of water out of a maximum 2,720 hm³. At this level the reservoir is high. Of that total, about 378 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 7.9 percentage points, and it is 6.3 points above its level on the same date a year earlier.
Across the readings we hold for N. AVANHANDAVA — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 55.3% (February 6, 2026) to a high of 95.8% (June 10, 2026). On average the reservoir is fullest around August and at its lowest around February.
It is operated by ONS primarily for hydroelectric power. It lies within the TIETE basin at 21.117°S, 50.202°W.
Key facts
- Current fill level
- 95.8%
- Water stored
- 362 hm³
- Total capacity
- 2,720 hm³
- Usable capacity
- 378 hm³
- 7-day change
- ▲ 7.9 pts
- Year-on-year
- ▲ 6.3 pts
- Primary use
- Hydroelectric power
- River
- TIETÊ
- River basin
- TIETE
- Operator
- ONS
- Coordinates
- 21.117°S, 50.202°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 95.8% | 362 |
| 5 Jun 2026 | 87.9% | 332 |
| 29 May 2026 | 86.3% | 326 |
| 22 May 2026 | 89.0% | 336 |
| 15 May 2026 | 77.9% | 294 |
| 8 May 2026 | 88.4% | 334 |
| 1 May 2026 | 84.2% | 318 |
| 24 Apr 2026 | 83.2% | 314 |
| 17 Apr 2026 | 84.2% | 318 |
| 10 Apr 2026 | 87.4% | 330 |
| 3 Apr 2026 | 86.8% | 328 |
| 27 Mar 2026 | 90.5% | 342 |
Frequently asked questions
What is the current water level of N. AVANHANDAVA?
As of June 10, 2026, N. AVANHANDAVA is at 95.8% of its capacity, holding approximately 362 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is N. AVANHANDAVA reservoir full?
N. AVANHANDAVA is essentially full, sitting at 95.8% of capacity as of June 10, 2026.
Is the water level at N. AVANHANDAVA rising or falling?
The level at N. AVANHANDAVA is rising — it gained 7.9 percentage points over the latest week on record.
How much water can N. AVANHANDAVA hold?
N. AVANHANDAVA has a total capacity of 2,720 hm³, of which about 378 hm³ is usable storage.
Where is N. AVANHANDAVA reservoir located?
N. AVANHANDAVA is located in São Paulo, Brazil, within the TIETE basin (coordinates 21.117°S, 50.202°W).
What is N. AVANHANDAVA used for?
N. AVANHANDAVA is used primarily for hydroelectric power, and is managed by ONS.