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IGUACU
HighHydroelectric

SANTA CLARA-PR

Paraná · IGUACU

Capacity

431 hm³

Coordinates

-25.646°N, 51.956°W

Operator

ONS

Current fill

94.8%
High

vs 7 days ago

-4.1%

losing

vs 1 year ago

-10.2%

year-over-year

7-day trend

falling

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity431 hm³
Usable capacity262.07 hm³
Primary useHydroelectric
OperatorONS
RiverJORDÃO
ProvinceParaná
River basinIGUACU
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-06-10

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 June 10, 2026, SANTA CLARA-PR is filled to 94.8% of its total capacity, holding roughly 248 hm³ of water out of a maximum 431 hm³. At this level the reservoir is high. Of that total, about 262 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 4.1 percentage points, and it is 10.2 points below its level on the same date a year earlier.

Across the readings we hold for SANTA CLARA-PR — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 32.0% (March 20, 2026) to a high of 105.0% (June 27, 2025). On average the reservoir is fullest around October 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
94.8%
Water stored
248 hm³
Total capacity
431 hm³
Usable capacity
262 hm³
7-day change
▼ 4.1 pts
Year-on-year
▼ 10.2 pts
Primary use
Hydroelectric power
River
JORDÃO
River basin
IGUACU
Operator
ONS
Coordinates
25.646°S, 51.956°W
Last updated
June 10, 2026

Recent readings

DateFill levelVolume (hm³)
10 Jun 202694.8%248
5 Jun 202698.9%259
29 May 202699.8%262
22 May 2026101.8%267
15 May 2026102.3%268
8 May 2026101.2%265
1 May 202686.4%227
24 Apr 202648.3%127
17 Apr 202652.8%138
10 Apr 202647.8%125
3 Apr 202639.3%103
27 Mar 202634.9%91

Frequently asked questions

What is the current water level of SANTA CLARA-PR?

As of June 10, 2026, SANTA CLARA-PR is at 94.8% of its capacity, holding approximately 248 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.

Is SANTA CLARA-PR reservoir full?

No. As of June 10, 2026, SANTA CLARA-PR is high at 94.8% of its capacity, so it is not full.

Is the water level at SANTA CLARA-PR rising or falling?

The level at SANTA CLARA-PR is falling — it dropped 4.1 percentage points over the latest week on record.

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.

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