State · Brazil
Rio Grande do Sul
31.7% average fill
Reservoirs
6
Volume stored
4,054 hm³
Total capacity
12,798 hm³
Low level
1
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Reservoirs
2 basinsURUGUAI
3 reservoirs · avg 55.2%JACUI
3 reservoirs · avg 85.4%About reservoirs in Rio Grande do Sul
As of July 28, 2026, the reservoirs we track across Rio Grande do Sul that report live levels hold roughly 4,054 hm³ of water — about 31.7% of their combined capacity. Taken together, Rio Grande do Sul's reservoirs are low.
Across the region, 1 is low. D. FRANCISCA is the fullest at 105.0%, while FOZ CHAPECO is the lowest at 24.7%.
Over the most recent week on record, 2 reservoirs rose and 1 reservoir fell across Rio Grande do Sul.
Storage figures for Rio Grande do Sul come from ONS; the most recent reading is from July 28, 2026. Each reservoir below links to its own page with full history and seasonal context.
Rio Grande do Sul at a glance
- Reservoirs tracked
- 6
- Average fill
- 31.7%
- Water stored
- 4,054 hm³
- Combined capacity
- 12,798 hm³
- Fullest
- D. FRANCISCA (105.0%)
- Lowest
- FOZ CHAPECO (24.7%)
- Last updated
- July 28, 2026
Frequently asked questions
How full are reservoirs in Rio Grande do Sul right now?
As of July 28, 2026, the reservoirs tracked in Rio Grande do Sul that report live levels are 31.7% full overall, holding about 4,054 hm³ of water.
How many reservoirs are there in Rio Grande do Sul?
reservoirs.earth tracks 6 reservoirs in Rio Grande do Sul, with a combined storage capacity of 12,798 hm³.
Which reservoir in Rio Grande do Sul is the fullest?
D. FRANCISCA is currently the fullest reservoir in Rio Grande do Sul, at 105.0% of capacity.
Which reservoir in Rio Grande do Sul is the lowest?
FOZ CHAPECO is currently the lowest in Rio Grande do Sul, at 24.7% of capacity.
Where does the reservoir data for Rio Grande do Sul come from?
All storage figures for Rio Grande do Sul come from ONS, an official source, last updated July 28, 2026.