Reservoir · Cauca · Colombia · XM
Salvajina
85.7% full
Capacity
511.49 GWh
Energy stored
438 GWh
River
Cauca
Coordinates
2.856°N, 76.687°W
Last updated
2026-07-28
Current fill
85.7%vs 7 days ago
-0.4%losing
vs 1 year ago
+7.6%year-over-year
7-day trend
→stable
Data source: XM — Operador del Mercado de Energía — daily useful-energy storage (VoluUtilDiarEner) and useful capacity (CapaUtilDiarEner). Colombia is a hydropower system, so storage is reported as energy (GWh), not water volume; fill % is useful energy ÷ useful capacity. Last reading: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 2.856, -76.687 · Open in Google Maps
About Salvajina
As of July 28, 2026, Salvajina is filled to 85.7% of its total capacity, holding roughly 438 GWh of water out of a maximum 511 GWh. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.4 pts), and it is 7.6 points above its level on the same date a year earlier.
Across the readings we hold for Salvajina — 2035 data points between January 1, 2021 and July 28, 2026 — the level has ranged from a low of 5.3% (October 13, 2022) to a high of 98.2% (July 4, 2025). On average the reservoir is fullest around July and at its lowest around October.
It is operated by XM primarily for hydroelectric power. It lies within the Cauca basin at 2.856°N, 76.687°W.
Key facts
- Current fill level
- 85.7%
- Water stored
- 438 GWh
- Total capacity
- 511 GWh
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▲ 7.6 pts
- Primary use
- Hydroelectric power
- River
- Cauca
- River basin
- Cauca
- Operator
- XM
- Coordinates
- 2.856°N, 76.687°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (GWh) |
|---|---|---|
| 28 Jul 2026 | 85.7% | 438 |
| 27 Jul 2026 | 86.1% | 441 |
| 26 Jul 2026 | 86.6% | 443 |
| 25 Jul 2026 | 87.0% | 445 |
| 24 Jul 2026 | 87.3% | 446 |
| 23 Jul 2026 | 87.4% | 447 |
| 22 Jul 2026 | 87.8% | 449 |
| 21 Jul 2026 | 88.2% | 451 |
| 20 Jul 2026 | 88.7% | 454 |
| 19 Jul 2026 | 89.0% | 455 |
| 18 Jul 2026 | 89.0% | 455 |
| 17 Jul 2026 | 89.4% | 457 |
Frequently asked questions
What is the current water level of Salvajina?
As of July 28, 2026, Salvajina is at 85.7% of its capacity, holding approximately 438 GWh of water, according to XM — Operador del Mercado de Energía data.
Is Salvajina reservoir full?
No. As of July 28, 2026, Salvajina is high at 85.7% of its capacity, so it is not full.
Is the water level at Salvajina rising or falling?
The level at Salvajina has been broadly stable over the latest week on record (-0.4 points).
How much water can Salvajina hold?
Salvajina has a total capacity of 511 GWh.
Where is Salvajina reservoir located?
Salvajina is located in Cauca, Colombia, within the Cauca basin (coordinates 2.856°N, 76.687°W).
What is Salvajina used for?
Salvajina is used primarily for hydroelectric power, and is managed by XM.

