FUNIL
Rio de Janeiro · PARAIBA DO SUL
Capacity
888 hm³
Coordinates
-22.529°N, 44.567°W
Operator
ONS
Current fill
36.7%vs 7 days ago
-1.4%losing
vs 1 year ago
+10.0%year-over-year
7-day trend
→stable
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 June 10, 2026, FUNIL is filled to 36.7% of its total capacity, holding roughly 222 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 held broadly steady (-1.4 pts), and it is 10.0 points above its level on the same date a year earlier.
Across the readings we hold for FUNIL — 52 data points between June 27, 2025 and June 10, 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
- 36.7%
- Water stored
- 222 hm³
- Total capacity
- 888 hm³
- Usable capacity
- 606 hm³
- 7-day change
- ▼ 1.4 pts
- Year-on-year
- ▲ 10.0 pts
- Primary use
- Hydroelectric power
- River
- PARAÍBA SUL
- River basin
- PARAIBA DO SUL
- Operator
- ONS
- Coordinates
- 22.529°S, 44.567°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 36.7% | 222 |
| 5 Jun 2026 | 38.1% | 231 |
| 29 May 2026 | 40.2% | 243 |
| 22 May 2026 | 44.3% | 268 |
| 15 May 2026 | 50.4% | 305 |
| 8 May 2026 | 58.2% | 352 |
| 1 May 2026 | 64.0% | 388 |
| 24 Apr 2026 | 71.1% | 431 |
| 17 Apr 2026 | 77.7% | 471 |
| 10 Apr 2026 | 81.0% | 490 |
| 3 Apr 2026 | 76.6% | 464 |
| 27 Mar 2026 | 76.9% | 466 |
Frequently asked questions
What is the current water level of FUNIL?
As of June 10, 2026, FUNIL is at 36.7% of its capacity, holding approximately 222 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.
Is FUNIL reservoir full?
No. As of June 10, 2026, FUNIL is low at 36.7% of its capacity, so it is not full.
Is the water level at FUNIL rising or falling?
The level at FUNIL has been broadly stable over the latest week on record (-1.4 points).
How much water can FUNIL hold?
FUNIL has a total capacity of 888 hm³, of which about 606 hm³ is usable storage.
Where is FUNIL reservoir located?
FUNIL is located in Rio de Janeiro, Brazil, within the PARAIBA DO SUL basin (coordinates 22.529°S, 44.567°W).
What is FUNIL used for?
FUNIL is used primarily for hydroelectric power, and is managed by ONS.