SANTA CLARA-PR
Paraná · IGUACU
Capacity
431 hm³
Coordinates
-25.646°N, 51.956°W
Operator
ONS
102.9% full
Current fill
102.9%vs 7 days ago
-1.0%losing
vs 1 year ago
+24.1%year-over-year
7-day trend
→stable
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 431 hm³ |
| Usable capacity | 262.07 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | JORDÃO |
| Province | Paraná |
| River basin | IGUACU |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -25.646, -51.956 · Open in Google Maps
About SANTA CLARA-PR
As of July 28, 2026, SANTA CLARA-PR is filled to 102.9% of its total capacity, holding roughly 270 hm³ of water out of a maximum 431 hm³. At this level the reservoir is effectively full. Of that total, about 262 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-1.0 pts), and it is 24.1 points above its level on the same date a year earlier.
Across the readings we hold for SANTA CLARA-PR — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 32.0% (March 20, 2026) to a high of 105.0% (July 3, 2026). On average the reservoir is fullest around July and at its lowest around March.
It is operated by ONS primarily for hydroelectric power. It lies within the IGUACU basin at 25.646°S, 51.956°W.
Key facts
- Current fill level
- 102.9%
- Water stored
- 270 hm³
- Total capacity
- 431 hm³
- Usable capacity
- 262 hm³
- 7-day change
- ▼ 1.0 pts
- Year-on-year
- ▲ 24.1 pts
- Primary use
- Hydroelectric power
- River
- JORDÃO
- River basin
- IGUACU
- Operator
- ONS
- Coordinates
- 25.646°S, 51.956°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 102.9% | 270 |
| 24 Jul 2026 | 104.0% | 272 |
| 17 Jul 2026 | 101.0% | 265 |
| 10 Jul 2026 | 102.1% | 268 |
| 3 Jul 2026 | 105.0% | 275 |
| 26 Jun 2026 | 95.1% | 249 |
| 19 Jun 2026 | 88.5% | 232 |
| 12 Jun 2026 | 91.6% | 240 |
| 5 Jun 2026 | 98.9% | 259 |
| 29 May 2026 | 99.8% | 262 |
| 22 May 2026 | 101.8% | 267 |
| 15 May 2026 | 102.3% | 268 |
Frequently asked questions
What is the current water level of SANTA CLARA-PR?
As of July 28, 2026, SANTA CLARA-PR is at 102.9% of its capacity, holding approximately 270 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is SANTA CLARA-PR reservoir full?
SANTA CLARA-PR is essentially full, sitting at 102.9% of capacity as of July 28, 2026.
Is the water level at SANTA CLARA-PR rising or falling?
The level at SANTA CLARA-PR has been broadly stable over the latest week on record (-1.0 points).
How much water can SANTA CLARA-PR hold?
SANTA CLARA-PR has a total capacity of 431 hm³, of which about 262 hm³ is usable storage.
Where is SANTA CLARA-PR reservoir located?
SANTA CLARA-PR is located in Paraná, Brazil, within the IGUACU basin (coordinates 25.646°S, 51.956°W).
What is SANTA CLARA-PR used for?
SANTA CLARA-PR is used primarily for hydroelectric power, and is managed by ONS.

