Dam · Free State · South Africa · DWS
Vanderkloof Dam
99.5% full
Total capacity
3,137 Mm³
River
Orange
Basin
Orange
Primary use
water supply
Operator
DWS
Coordinates
-29.883°S, 24.733°E
Last updated
2026-08-31
Current fill
99.5%vs 7 days ago
+0.2%gaining
vs 1 year ago
N/A7-day trend
→stable
Weekly storage
Fill history — multi-year
About this dam
Dam height
108 m
Year built
1977
Dam type
Arch
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. -29.883, 24.733 · Open in Google Maps
About Vanderkloof Dam
As of August 31, 2026, Vanderkloof Dam is filled to 99.5% of its total capacity, holding roughly 3,121 Mm³ of water out of a maximum 3,137 Mm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts).
Across the readings we hold for Vanderkloof Dam — 14 data points between May 31, 2026 and August 31, 2026 — the level has ranged from a low of 98.8% (June 29, 2026) to a high of 105.4% (May 31, 2026).
The dam at Vanderkloof Dam stands 108 m tall and is a arch dam and was completed in 1977. It is operated by DWS primarily for water supply. It lies within the Orange basin at 29.883°S, 24.733°E.
Key facts
- Current fill level
- 99.5%
- Water stored
- 3,121 Mm³
- Total capacity
- 3,137 Mm³
- 7-day change
- ▲ 0.2 pts
- Primary use
- Water supply
- River
- Orange
- River basin
- Orange
- Dam height
- 108 m
- Year completed
- 1977
- Operator
- DWS
- Coordinates
- 29.883°S, 24.733°E
- Last updated
- August 31, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 31 Aug 2026 | 99.5% | 3,121 |
| 24 Aug 2026 | 99.3% | 3,115 |
| 17 Aug 2026 | 99.6% | 3,124 |
| 10 Aug 2026 | 100.0% | 3,137 |
| 3 Aug 2026 | 100.1% | 3,140 |
| 27 Jul 2026 | 100.2% | 3,143 |
| 29 Jun 2026 | 98.8% | 3,099 |
| 22 Jun 2026 | 100.1% | 3,140 |
| 16 Jun 2026 | 100.2% | 3,143 |
| 9 Jun 2026 | 100.2% | 3,143 |
| 8 Jun 2026 | 101.9% | 3,197 |
| 7 Jun 2026 | 101.9% | 3,197 |
Nearby reservoirs
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.