D. FRANCISCA
Rio Grande do Sul · JACUI
Capacity
330 hm³
Coordinates
-29.449°N, 53.283°W
Operator
ONS
101.5% full
Current fill
101.5%vs 7 days ago
-3.5%losing
vs 1 year ago
N/A7-day trend
↓falling
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 September 9, 2026, D. FRANCISCA is filled to 101.5% of its total capacity, holding roughly 64 hm³ of water out of a maximum 330 hm³. At this level the reservoir is effectively full. Of that total, about 63 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 3.5 percentage points.
Across the readings we hold for D. FRANCISCA — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 25.5% (May 22, 2026) to a high of 105.0% (September 26, 2025). On average the reservoir is fullest around August 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
- 101.5%
- Water stored
- 64 hm³
- Total capacity
- 330 hm³
- Usable capacity
- 63 hm³
- 7-day change
- ▼ 3.5 pts
- Primary use
- Hydroelectric power
- River
- JACUÍ
- River basin
- JACUI
- Operator
- ONS
- Coordinates
- 29.449°S, 53.283°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 101.5% | 64 |
| 4 Sep 2026 | 105.0% | 66 |
| 28 Aug 2026 | 105.0% | 66 |
| 21 Aug 2026 | 105.0% | 66 |
| 14 Aug 2026 | 105.0% | 66 |
| 7 Aug 2026 | 105.0% | 66 |
| 31 Jul 2026 | 105.0% | 66 |
| 24 Jul 2026 | 105.0% | 66 |
| 17 Jul 2026 | 72.0% | 45 |
| 10 Jul 2026 | 80.6% | 50 |
| 3 Jul 2026 | 105.0% | 66 |
| 26 Jun 2026 | 103.9% | 65 |