FUNIL
Rio de Janeiro · PARAIBA DO SUL
Useful capacity
605.7 hm³
Coordinates
22.529°S, 44.567°W
Operator
ONS
76.2% of useful capacity
Current fill
76.2%of useful capacity
vs 7 days ago
-2.0 pplosing
vs 1 year ago
+47.1 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
143%of normal
76.2% full on 2026-10-26, against an average of 53.3% for October across 2 years of readings (+22.9 points).
Rain over the last three months · 11 October 2026
Extremely wet
In the three months to 11 October 2026 the area around FUNIL had exceptionally wet conditions, a surplus seen about one year in forty. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +2.25). Rain, not storage. Brazil drought figures →
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°S, 44.567°W · Open in Google Maps
About FUNIL
As of October 26, 2026, FUNIL is at 76.2% of useful capacity, holding 461.4 hm³ of 605.7 hm³. Of the 888 hm³ total capacity, that is 52.0%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 2.0 percentage points, and it is 47.1 points above its level on the same date a year earlier.
Across the readings we hold for FUNIL — 65 data points between October 26, 2025 and October 26, 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 August.
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
- 76.2% of useful capacity
- Water stored
- 461.4 hm³
- Total capacity
- 888 hm³
- Usable capacity
- 605.7 hm³
- 7-day change
- ▼ 2.0 pp
- Year-on-year
- ▲ 47.1 pp
- Primary use
- Hydroelectric power
- River
- PARAÍBA SUL
- River basin
- PARAIBA DO SUL
- Operator
- ONS
- Coordinates
- 22.529°S, 44.567°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 76.2% | 461.4 |
| 25 Oct 2026 | 74.8% | 453 |
| 24 Oct 2026 | 74.1% | 448.8 |
| 23 Oct 2026 | 75.3% | 455.8 |
| 22 Oct 2026 | 76.3% | 462.1 |
| 21 Oct 2026 | 77.3% | 468.4 |
| 20 Oct 2026 | 78.1% | 472.9 |
| 19 Oct 2026 | 78.1% | 473.3 |
| 18 Oct 2026 | 77.5% | 469.1 |
| 17 Oct 2026 | 77.1% | 467 |
| 16 Oct 2026 | 78.1% | 472.9 |
| 15 Oct 2026 | 78.9% | 477.8 |