Dam · Eastern Cape · South Africa · DWS
Lake Arthur Dam
60.5% full
Total capacity
11.3 Mm³
River
Tarka River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Last updated
2026-06-09
Current fill
60.5%vs 7 days ago
+5.0%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.
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 0.000, 0.000 · Open in Google Maps
About Lake Arthur Dam
As of June 9, 2026, Lake Arthur Dam is filled to 60.5% of its total capacity, holding roughly 7 Mm³ of water out of a maximum 11 Mm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 5.0 percentage points.
Across the readings we hold for Lake Arthur Dam — 5 data points between May 31, 2026 and June 9, 2026 — the level has ranged from a low of 55.3% (May 31, 2026) to a high of 60.5% (June 9, 2026).
It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 0.000°N, 0.000°E.
Key facts
- Current fill level
- 60.5%
- Water stored
- 7 Mm³
- Total capacity
- 11 Mm³
- 7-day change
- ▲ 5.0 pts
- Primary use
- Water supply
- River
- Tarka River
- River basin
- Unknown
- Operator
- DWS South Africa
- Coordinates
- 0.000°N, 0.000°E
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 9 Jun 2026 | 60.5% | 7 |
| 8 Jun 2026 | 55.5% | 6 |
| 7 Jun 2026 | 55.5% | 6 |
| 3 Jun 2026 | 55.5% | 6 |
| 31 May 2026 | 55.3% | 6 |
Frequently asked questions
What is the current water level of Lake Arthur Dam?
As of June 9, 2026, Lake Arthur Dam is at 60.5% of its capacity, holding approximately 7 Mm³ of water, according to DWS South Africa data.
Is Lake Arthur Dam reservoir full?
No. As of June 9, 2026, Lake Arthur Dam is within its normal operating range at 60.5% of its capacity, so it is not full.
Is the water level at Lake Arthur Dam rising or falling?
The level at Lake Arthur Dam is rising — it gained 5.0 percentage points over the latest week on record.
How much water can Lake Arthur Dam hold?
Lake Arthur Dam has a total capacity of 11 Mm³.
Where is Lake Arthur Dam reservoir located?
Lake Arthur Dam is located in Eastern Cape, South Africa, within the Unknown basin (coordinates 0.000°N, 0.000°E).
What is Lake Arthur Dam used for?
Lake Arthur Dam is used primarily for water supply, and is managed by DWS South Africa.