TAQUARUÇU
São Paulo · PARANAPANEMA
Useful capacity
138.13 hm³
Coordinates
22.545°S, 51.996°W
Operator
ONS
67.8% of useful capacity
Current fill
67.8%of useful capacity
vs 7 days ago
+1.5 ppgaining
vs 1 year ago
-4.1 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
97%of normal
67.8% full on 2026-10-26, against an average of 70.2% for October across 2 years of readings (-2.4 points).
Rain over the last three months · 11 October 2026
Moderately wet
In the three months to 11 October 2026 the area around TAQUARUÇU had more rain than normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.49). Rain, not storage. Brazil drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 677 hm³ |
| Usable capacity | 138.13 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| Province | São Paulo |
| River basin | PARANAPANEMA |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 22.545°S, 51.996°W · Open in Google Maps
About TAQUARUÇU
As of October 26, 2026, TAQUARUÇU is at 67.8% of useful capacity, holding 93.7 hm³ of 138.13 hm³. Of the 677 hm³ total capacity, that is 13.8%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 1.5 percentage points, and it is 4.1 points below its level on the same date a year earlier.
Across the readings we hold for TAQUARUÇU — 65 data points between October 26, 2025 and October 26, 2026 — the level has ranged from a low of 49.5% (February 27, 2026) to a high of 93.0% (December 5, 2025). On average the reservoir is fullest around March and at its lowest around February.
It is operated by ONS primarily for hydroelectric power. It lies within the PARANAPANEMA basin at 22.545°S, 51.996°W.
Key facts
- Current fill level
- 67.8% of useful capacity
- Water stored
- 93.7 hm³
- Total capacity
- 677 hm³
- Usable capacity
- 138.13 hm³
- 7-day change
- ▲ 1.5 pp
- Year-on-year
- ▼ 4.1 pp
- Primary use
- Hydroelectric power
- River basin
- PARANAPANEMA
- Operator
- ONS
- Coordinates
- 22.545°S, 51.996°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 67.8% | 93.7 |
| 25 Oct 2026 | 66.8% | 92.2 |
| 24 Oct 2026 | 70.9% | 97.9 |
| 23 Oct 2026 | 59.1% | 81.6 |
| 22 Oct 2026 | 57.6% | 79.5 |
| 21 Oct 2026 | 65.2% | 90.1 |
| 20 Oct 2026 | 73.5% | 101.5 |
| 19 Oct 2026 | 66.3% | 91.5 |
| 18 Oct 2026 | 71.4% | 98.7 |
| 17 Oct 2026 | 72.0% | 99.4 |
| 16 Oct 2026 | 69.3% | 95.8 |
| 15 Oct 2026 | 73.5% | 101.5 |