Dam · Western Cape · South Africa · DWS
Steenbras-Upper Dam
98.6% full
Total capacity
31.9 Mm³
River
Steenbras River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Coordinates
-34.168°S, 18.902°E
Last updated
2026-07-06
Current fill
98.6%vs 7 days ago
+12.4%gaining
vs 1 year ago
N/A7-day trend
↑rising
Weekly storage
Fill history — multi-year
About this dam
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. -34.168, 18.902 · Open in Google Maps
About Steenbras-Upper Dam
As of July 6, 2026, Steenbras-Upper Dam is filled to 98.6% of its total capacity, holding roughly 32 Mm³ of water out of a maximum 32 Mm³. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 12.4 percentage points.
Across the readings we hold for Steenbras-Upper Dam — 9 data points between May 31, 2026 and July 6, 2026 — the level has ranged from a low of 79.7% (May 31, 2026) to a high of 98.6% (July 6, 2026).
It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 34.168°S, 18.902°E.
Key facts
- Current fill level
- 98.6%
- Water stored
- 32 Mm³
- Total capacity
- 32 Mm³
- 7-day change
- ▲ 12.4 pts
- Primary use
- Water supply
- River
- Steenbras River
- River basin
- Unknown
- Operator
- DWS South Africa
- Coordinates
- 34.168°S, 18.902°E
- Last updated
- July 6, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 6 Jul 2026 | 98.6% | 32 |
| 29 Jun 2026 | 86.2% | 27 |
| 22 Jun 2026 | 83.4% | 27 |
| 16 Jun 2026 | 82.2% | 26 |
| 9 Jun 2026 | 82.2% | 26 |
| 8 Jun 2026 | 81.2% | 26 |
| 7 Jun 2026 | 81.2% | 26 |
| 3 Jun 2026 | 81.2% | 26 |
| 31 May 2026 | 79.7% | 25 |
Frequently asked questions
What is the current water level of Steenbras-Upper Dam?
As of July 6, 2026, Steenbras-Upper Dam is at 98.6% of its capacity, holding approximately 32 Mm³ of water, according to City of Cape Town data.
Is Steenbras-Upper Dam reservoir full?
Steenbras-Upper Dam is essentially full, sitting at 98.6% of capacity as of July 6, 2026.
Is the water level at Steenbras-Upper Dam rising or falling?
The level at Steenbras-Upper Dam is rising — it gained 12.4 percentage points over the latest week on record.
How much water can Steenbras-Upper Dam hold?
Steenbras-Upper Dam has a total capacity of 32 Mm³.
Where is Steenbras-Upper Dam reservoir located?
Steenbras-Upper Dam is located in Western Cape, South Africa, within the Unknown basin (coordinates 34.168°S, 18.902°E).
What is Steenbras-Upper Dam used for?
Steenbras-Upper Dam is used primarily for water supply, and is managed by DWS South Africa.
Nearby reservoirs
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.