Dam · Free State · South Africa · DWS
Vaal Dam
105.2% full
Total capacity
2,561 Mm³
River
Vaal
Basin
Vaal
Primary use
water supply
Operator
DWS
Coordinates
-26.920°S, 28.180°E
Last updated
2026-06-09
Current fill
105.2%vs 7 days ago
-0.9%losing
vs 1 year ago
N/A7-day trend
→stable
Weekly storage
Fill history — multi-year
About this dam
Dam height
54 m
Year built
1938
Dam type
Gravity
Data source
official
Storage data: Department of Water and Sanitation (DWS) Weekly State of Dams report, South Africa.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -26.920, 28.180 · Open in Google Maps
About Vaal Dam
As of June 9, 2026, Vaal Dam is filled to 105.2% of its total capacity, holding roughly 2,694 Mm³ of water out of a maximum 2,561 Mm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (-0.9 pts).
Across the readings we hold for Vaal Dam — 5 data points between May 31, 2026 and June 9, 2026 — the level has ranged from a low of 105.2% (June 9, 2026) to a high of 107.3% (May 31, 2026).
The dam at Vaal Dam stands 54 m tall and is a gravity dam and was completed in 1938. It is operated by DWS primarily for water supply. It lies within the Vaal basin at 26.920°S, 28.180°E.
Key facts
- Current fill level
- 105.2%
- Water stored
- 2,694 Mm³
- Total capacity
- 2,561 Mm³
- 7-day change
- ▼ 0.9 pts
- Primary use
- Water supply
- River
- Vaal
- River basin
- Vaal
- Dam height
- 54 m
- Year completed
- 1938
- Operator
- DWS
- Coordinates
- 26.920°S, 28.180°E
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 9 Jun 2026 | 105.2% | 2,694 |
| 8 Jun 2026 | 106.1% | 2,717 |
| 7 Jun 2026 | 106.1% | 2,717 |
| 3 Jun 2026 | 106.1% | 2,717 |
| 31 May 2026 | 107.3% | 2,748 |
Frequently asked questions
What is the current water level of Vaal Dam?
As of June 9, 2026, Vaal Dam is at 105.2% of its capacity, holding approximately 2,694 Mm³ of water, according to DWS South Africa data.
Is Vaal Dam reservoir full?
Vaal Dam is essentially full, sitting at 105.2% of capacity as of June 9, 2026.
Is the water level at Vaal Dam rising or falling?
The level at Vaal Dam has been broadly stable over the latest week on record (-0.9 points).
How much water can Vaal Dam hold?
Vaal Dam has a total capacity of 2,561 Mm³.
Where is Vaal Dam reservoir located?
Vaal Dam is located in Free State, South Africa, within the Vaal basin (coordinates 26.920°S, 28.180°E).
When was Vaal Dam dam built?
The dam at Vaal Dam was completed in 1938.
What is Vaal Dam used for?
Vaal Dam is used primarily for water supply, and is managed by DWS.