Dam · Eastern Cape · South Africa · DWS
Lake Arthur Dam
61.9% full
Total capacity
11.3 Mm³
River
Tarka River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Coordinates
-32.226°S, 25.819°E
Last updated
2026-06-29
Current fill
61.9%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
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. -32.226, 25.819 · Open in Google Maps
About Lake Arthur Dam
As of June 29, 2026, Lake Arthur Dam is filled to 61.9% 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 held broadly steady (+0.2 pts).
Across the readings we hold for Lake Arthur Dam — 8 data points between May 31, 2026 and June 29, 2026 — the level has ranged from a low of 55.3% (May 31, 2026) to a high of 61.9% (June 29, 2026).
It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 32.226°S, 25.819°E.
Key facts
- Current fill level
- 61.9%
- Water stored
- 7 Mm³
- Total capacity
- 11 Mm³
- 7-day change
- ▲ 0.2 pts
- Primary use
- Water supply
- River
- Tarka River
- River basin
- Unknown
- Operator
- DWS South Africa
- Coordinates
- 32.226°S, 25.819°E
- Last updated
- June 29, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 29 Jun 2026 | 61.9% | 7 |
| 22 Jun 2026 | 61.7% | 7 |
| 16 Jun 2026 | 60.5% | 7 |
| 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 29, 2026, Lake Arthur Dam is at 61.9% 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 29, 2026, Lake Arthur Dam is within its normal operating range at 61.9% 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 has been broadly stable over the latest week on record (+0.2 points).
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 32.226°S, 25.819°E).
What is Lake Arthur Dam used for?
Lake Arthur 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.