Dam · Free State · South Africa · DWS
Sterkfontein Dam
99.3% full
Total capacity
2,617 Mm³
River
Nuwejaarspruit
Basin
Vaal
Primary use
water supply
Operator
DWS
Coordinates
-28.367°S, 28.667°E
Last updated
2026-06-09
Current fill
99.3%vs 7 days ago
-0.1%losing
vs 1 year ago
N/A7-day trend
→stable
Weekly storage
Fill history — multi-year
About this dam
Dam height
90 m
Year built
1981
Dam type
Rockfill
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. -28.367, 28.667 · Open in Google Maps
About Sterkfontein Dam
As of June 9, 2026, Sterkfontein Dam is filled to 99.3% of its total capacity, holding roughly 2,599 Mm³ of water out of a maximum 2,617 Mm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts).
Across the readings we hold for Sterkfontein Dam — 5 data points between May 31, 2026 and June 9, 2026 — the level has ranged from a low of 99.3% (June 9, 2026) to a high of 99.4% (May 31, 2026).
The dam at Sterkfontein Dam stands 90 m tall and is a rockfill dam and was completed in 1981. It is operated by DWS primarily for water supply. It lies within the Vaal basin at 28.367°S, 28.667°E.
Key facts
- Current fill level
- 99.3%
- Water stored
- 2,599 Mm³
- Total capacity
- 2,617 Mm³
- 7-day change
- ▼ 0.1 pts
- Primary use
- Water supply
- River
- Nuwejaarspruit
- River basin
- Vaal
- Dam height
- 90 m
- Year completed
- 1981
- Operator
- DWS
- Coordinates
- 28.367°S, 28.667°E
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 9 Jun 2026 | 99.3% | 2,599 |
| 8 Jun 2026 | 99.4% | 2,601 |
| 7 Jun 2026 | 99.4% | 2,601 |
| 3 Jun 2026 | 99.4% | 2,601 |
| 31 May 2026 | 99.4% | 2,601 |
Frequently asked questions
What is the current water level of Sterkfontein Dam?
As of June 9, 2026, Sterkfontein Dam is at 99.3% of its capacity, holding approximately 2,599 Mm³ of water, according to DWS South Africa data.
Is Sterkfontein Dam reservoir full?
Sterkfontein Dam is essentially full, sitting at 99.3% of capacity as of June 9, 2026.
Is the water level at Sterkfontein Dam rising or falling?
The level at Sterkfontein Dam has been broadly stable over the latest week on record (-0.1 points).
How much water can Sterkfontein Dam hold?
Sterkfontein Dam has a total capacity of 2,617 Mm³.
Where is Sterkfontein Dam reservoir located?
Sterkfontein Dam is located in Free State, South Africa, within the Vaal basin (coordinates 28.367°S, 28.667°E).
When was Sterkfontein Dam dam built?
The dam at Sterkfontein Dam was completed in 1981.
What is Sterkfontein Dam used for?
Sterkfontein Dam is used primarily for water supply, and is managed by DWS.