D. FRANCISCA
Rio Grande do Sul · JACUI
Capacity
330 hm³
Coordinates
-29.449°N, 53.283°W
Operator
ONS
Current fill
53.2%vs 7 days ago
+10.0%gaining
vs 1 year ago
-51.8%year-over-year
7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 330 hm³ |
| Usable capacity | 62.56 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | JACUÍ |
| Province | Rio Grande do Sul |
| River basin | JACUI |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -29.449, -53.283 · Open in Google Maps
About D. FRANCISCA
As of June 10, 2026, D. FRANCISCA is filled to 53.2% of its total capacity, holding roughly 33 hm³ of water out of a maximum 330 hm³. At this level the reservoir is within its normal operating range. Of that total, about 63 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 10.0 percentage points, and it is 51.8 points below its level on the same date a year earlier.
Across the readings we hold for D. FRANCISCA — 52 data points between June 27, 2025 and June 10, 2026 — the level has ranged from a low of 25.5% (May 22, 2026) to a high of 105.0% (June 27, 2025). On average the reservoir is fullest around September and at its lowest around May.
It is operated by ONS primarily for hydroelectric power. It lies within the JACUI basin at 29.449°S, 53.283°W.
Key facts
- Current fill level
- 53.2%
- Water stored
- 33 hm³
- Total capacity
- 330 hm³
- Usable capacity
- 63 hm³
- 7-day change
- ▲ 10.0 pts
- Year-on-year
- ▼ 51.8 pts
- Primary use
- Hydroelectric power
- River
- JACUÍ
- River basin
- JACUI
- Operator
- ONS
- Coordinates
- 29.449°S, 53.283°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 53.2% | 33 |
| 5 Jun 2026 | 43.2% | 27 |
| 29 May 2026 | 51.7% | 32 |
| 22 May 2026 | 25.5% | 16 |
| 15 May 2026 | 45.7% | 29 |
| 8 May 2026 | 50.0% | 31 |
| 1 May 2026 | 31.3% | 20 |
| 24 Apr 2026 | 32.7% | 21 |
| 17 Apr 2026 | 61.2% | 38 |
| 10 Apr 2026 | 100.3% | 63 |
| 3 Apr 2026 | 57.5% | 36 |
| 27 Mar 2026 | 51.2% | 32 |
Frequently asked questions
What is the current water level of D. FRANCISCA?
As of June 10, 2026, D. FRANCISCA is at 53.2% of its capacity, holding approximately 33 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is D. FRANCISCA reservoir full?
No. As of June 10, 2026, D. FRANCISCA is within its normal operating range at 53.2% of its capacity, so it is not full.
Is the water level at D. FRANCISCA rising or falling?
The level at D. FRANCISCA is rising — it gained 10.0 percentage points over the latest week on record.
How much water can D. FRANCISCA hold?
D. FRANCISCA has a total capacity of 330 hm³, of which about 63 hm³ is usable storage.
Where is D. FRANCISCA reservoir located?
D. FRANCISCA is located in Rio Grande do Sul, Brazil, within the JACUI basin (coordinates 29.449°S, 53.283°W).
What is D. FRANCISCA used for?
D. FRANCISCA is used primarily for hydroelectric power, and is managed by ONS.

