FUNIL
Rio de Janeiro · PARAIBA DO SUL
Capacity
888 hm³
Coordinates
-22.529°N, 44.567°W
Operator
ONS
38.4% full
Current fill
38.4%vs 7 days ago
+3.2%gaining
vs 1 year ago
N/A7-day trend
↑rising
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 888 hm³ |
| Usable capacity | 605.7 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | PARAÍBA SUL |
| Province | Rio de Janeiro |
| River basin | PARAIBA DO SUL |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -22.529, -44.567 · Open in Google Maps
About FUNIL
As of September 9, 2026, FUNIL is filled to 38.4% of its total capacity, holding roughly 233 hm³ of water out of a maximum 888 hm³. At this level the reservoir is low. Of that total, about 606 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 3.2 percentage points.
Across the readings we hold for FUNIL — 52 data points between September 26, 2025 and September 9, 2026 — the level has ranged from a low of 23.4% (January 16, 2026) to a high of 81.8% (February 27, 2026). On average the reservoir is fullest around April and at its lowest around October.
It is operated by ONS primarily for hydroelectric power. It lies within the PARAIBA DO SUL basin at 22.529°S, 44.567°W.
Key facts
- Current fill level
- 38.4%
- Water stored
- 233 hm³
- Total capacity
- 888 hm³
- Usable capacity
- 606 hm³
- 7-day change
- ▲ 3.2 pts
- Primary use
- Hydroelectric power
- River
- PARAÍBA SUL
- River basin
- PARAIBA DO SUL
- Operator
- ONS
- Coordinates
- 22.529°S, 44.567°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 38.4% | 233 |
| 4 Sep 2026 | 35.2% | 213 |
| 28 Aug 2026 | 31.8% | 193 |
| 21 Aug 2026 | 31.3% | 190 |
| 14 Aug 2026 | 29.0% | 176 |
| 7 Aug 2026 | 29.2% | 177 |
| 31 Jul 2026 | 32.2% | 195 |
| 24 Jul 2026 | 35.6% | 216 |
| 17 Jul 2026 | 37.9% | 229 |
| 10 Jul 2026 | 39.6% | 240 |
| 3 Jul 2026 | 40.6% | 246 |
| 26 Jun 2026 | 38.2% | 232 |

