COLIDER
Mato Grosso · AMAZONAS
Useful capacity
97.02 hm³
Coordinates
10.976°S, 55.763°W
Operator
ONS
65.0% of useful capacity
Current fill
65.0%of useful capacity
vs 7 days ago
-10.0 pplosing
vs 1 year ago
N/A7-day trend
↓falling
Drought context
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around COLIDER had rain close to 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 −0.87). Rain, not storage. Brazil drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 1,525 hm³ |
| Usable capacity | 97.02 hm³ |
| Primary use | Hydroelectric |
| Operator | ONS |
| River | TELES PIRES |
| Province | Mato Grosso |
| River basin | AMAZONAS |
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 10.976°S, 55.763°W · Open in Google Maps
About COLIDER
As of October 25, 2026, COLIDER is at 65.0% of useful capacity, holding 63.1 hm³ of 97.02 hm³. Of the 1,525 hm³ total capacity, that is 4.1%. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 10.0 percentage points.
Across the readings we hold for COLIDER — 64 data points between April 11, 2025 and October 25, 2026 — the level has ranged from a low of 3.3% (August 14, 2025) to a high of 86.7% (June 5, 2026). On average the reservoir is fullest around October and at its lowest around August.
It is operated by ONS primarily for hydroelectric power. It lies within the AMAZONAS basin at 10.976°S, 55.763°W.
Key facts
- Current fill level
- 65.0% of useful capacity
- Water stored
- 63.1 hm³
- Total capacity
- 1,525 hm³
- Usable capacity
- 97.02 hm³
- 7-day change
- ▼ 10.0 pp
- Primary use
- Hydroelectric power
- River
- TELES PIRES
- River basin
- AMAZONAS
- Operator
- ONS
- Coordinates
- 10.976°S, 55.763°W
- Last updated
- October 25, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 25 Oct 2026 | 65.0% | 63.1 |
| 24 Oct 2026 | 73.3% | 71.1 |
| 23 Oct 2026 | 76.7% | 74.4 |
| 22 Oct 2026 | 73.3% | 71.1 |
| 21 Oct 2026 | 75.0% | 72.8 |
| 20 Oct 2026 | 71.7% | 69.5 |
| 19 Oct 2026 | 76.7% | 74.4 |
| 18 Oct 2026 | 75.0% | 72.8 |
| 17 Oct 2026 | 81.7% | 79.2 |
| 16 Oct 2026 | 78.3% | 76 |
| 15 Oct 2026 | 76.7% | 74.4 |
| 14 Oct 2026 | 70.0% | 67.9 |

