ITÁ
Rio Grande do Sul · URUGUAI
Capacity
5,100 hm³
Coordinates
-27.282°N, 52.386°W
Operator
ONS
Current fill
52.1%vs 7 days ago
-10.2%losing
vs 1 year ago
-19.7%year-over-year
7-day trend
↓falling
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 5,100 hm³ |
| Usable capacity | 797.85 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | URUGUAI |
| Province | Rio Grande do Sul |
| River basin | URUGUAI |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -27.282, -52.386 · Open in Google Maps
About ITÁ
As of June 10, 2026, ITÁ is filled to 52.1% of its total capacity, holding roughly 415 hm³ of water out of a maximum 5,100 hm³. At this level the reservoir is within its normal operating range. Of that total, about 798 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 10.2 percentage points, and it is 19.7 points below its level on the same date a year earlier.
Across the readings we hold for ITÁ — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 52.1% (June 10, 2026) to a high of 99.5% (September 12, 2025). On average the reservoir is fullest around July and at its lowest around February.
It is operated by ONS primarily for hydroelectric power. It lies within the URUGUAI basin at 27.282°S, 52.386°W.
Key facts
- Current fill level
- 52.1%
- Water stored
- 415 hm³
- Total capacity
- 5,100 hm³
- Usable capacity
- 798 hm³
- 7-day change
- ▼ 10.2 pts
- Year-on-year
- ▼ 19.7 pts
- Primary use
- Hydroelectric power
- River
- URUGUAI
- River basin
- URUGUAI
- Operator
- ONS
- Coordinates
- 27.282°S, 52.386°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 52.1% | 415 |
| 5 Jun 2026 | 62.3% | 497 |
| 29 May 2026 | 69.8% | 557 |
| 22 May 2026 | 68.0% | 543 |
| 15 May 2026 | 73.7% | 588 |
| 8 May 2026 | 70.8% | 565 |
| 1 May 2026 | 78.5% | 627 |
| 24 Apr 2026 | 67.4% | 538 |
| 17 Apr 2026 | 75.4% | 602 |
| 10 Apr 2026 | 74.0% | 591 |
| 3 Apr 2026 | 76.1% | 607 |
| 27 Mar 2026 | 76.8% | 613 |
Frequently asked questions
What is the current water level of ITÁ?
As of June 10, 2026, ITÁ is at 52.1% of its capacity, holding approximately 415 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is ITÁ reservoir full?
No. As of June 10, 2026, ITÁ is within its normal operating range at 52.1% of its capacity, so it is not full.
Is the water level at ITÁ rising or falling?
The level at ITÁ is falling — it dropped 10.2 percentage points over the latest week on record.
How much water can ITÁ hold?
ITÁ has a total capacity of 5,100 hm³, of which about 798 hm³ is usable storage.
Where is ITÁ reservoir located?
ITÁ is located in Rio Grande do Sul, Brazil, within the URUGUAI basin (coordinates 27.282°S, 52.386°W).
What is ITÁ used for?
ITÁ is used primarily for hydroelectric power, and is managed by ONS.