Dam · Western Cape · South Africa · DWS
Wemmershoek Dam
97.8% full
Total capacity
58.8 Mm³
River
Wemmershoek
Basin
Berg-Breede
Primary use
water supply
Operator
City of Cape Town
Coordinates
-33.883°S, 19.050°E
Last updated
2026-06-09
Current fill
97.8%vs 7 days ago
+1.1%gaining
vs 1 year ago
N/A7-day trend
→stable
Weekly storage
Fill history — multi-year
About this dam
Dam height
52 m
Year built
1957
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. -33.883, 19.050 · Open in Google Maps
About Wemmershoek Dam
As of June 9, 2026, Wemmershoek Dam is filled to 97.8% of its total capacity, holding roughly 58 Mm³ of water out of a maximum 59 Mm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+1.1 pts).
Across the readings we hold for Wemmershoek Dam — 5 data points between May 31, 2026 and June 9, 2026 — the level has ranged from a low of 95.3% (May 31, 2026) to a high of 97.8% (June 9, 2026).
The dam at Wemmershoek Dam stands 52 m tall and is a gravity dam and was completed in 1957. It is operated by City of Cape Town primarily for water supply. It lies within the Berg-Breede basin at 33.883°S, 19.050°E.
Key facts
- Current fill level
- 97.8%
- Water stored
- 58 Mm³
- Total capacity
- 59 Mm³
- 7-day change
- ▲ 1.1 pts
- Primary use
- Water supply
- River
- Wemmershoek
- River basin
- Berg-Breede
- Dam height
- 52 m
- Year completed
- 1957
- Operator
- City of Cape Town
- Coordinates
- 33.883°S, 19.050°E
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 9 Jun 2026 | 97.8% | 58 |
| 8 Jun 2026 | 96.7% | 57 |
| 7 Jun 2026 | 96.7% | 57 |
| 3 Jun 2026 | 96.7% | 57 |
| 31 May 2026 | 95.3% | 56 |
Frequently asked questions
What is the current water level of Wemmershoek Dam?
As of June 9, 2026, Wemmershoek Dam is at 97.8% of its capacity, holding approximately 58 Mm³ of water, according to DWS South Africa data.
Is Wemmershoek Dam reservoir full?
Wemmershoek Dam is essentially full, sitting at 97.8% of capacity as of June 9, 2026.
Is the water level at Wemmershoek Dam rising or falling?
The level at Wemmershoek Dam has been broadly stable over the latest week on record (+1.1 points).
How much water can Wemmershoek Dam hold?
Wemmershoek Dam has a total capacity of 59 Mm³.
Where is Wemmershoek Dam reservoir located?
Wemmershoek Dam is located in Western Cape, South Africa, within the Berg-Breede basin (coordinates 33.883°S, 19.050°E).
When was Wemmershoek Dam dam built?
The dam at Wemmershoek Dam was completed in 1957.
What is Wemmershoek Dam used for?
Wemmershoek Dam is used primarily for water supply, and is managed by City of Cape Town.