Dam · Eastern Cape · South Africa · DWS
Grassridge Dam
72.5% full
Total capacity
44.5 Mm³
River
Groot Brak River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Last updated
2026-06-09
Current fill
72.5%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
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 Grassridge Dam
As of June 9, 2026, Grassridge Dam is filled to 72.5% of its total capacity, holding roughly 32 Mm³ of water out of a maximum 45 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 (+1.1 pts).
Across the readings we hold for Grassridge Dam — 5 data points between May 31, 2026 and June 9, 2026 — the level has ranged from a low of 71.4% (June 3, 2026) to a high of 91.3% (May 31, 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
- 72.5%
- Water stored
- 32 Mm³
- Total capacity
- 45 Mm³
- 7-day change
- ▲ 1.1 pts
- Primary use
- Water supply
- River
- Groot Brak 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 | 72.5% | 32 |
| 8 Jun 2026 | 71.4% | 32 |
| 7 Jun 2026 | 71.4% | 32 |
| 3 Jun 2026 | 71.4% | 32 |
| 31 May 2026 | 91.3% | 41 |
Frequently asked questions
What is the current water level of Grassridge Dam?
As of June 9, 2026, Grassridge Dam is at 72.5% of its capacity, holding approximately 32 Mm³ of water, according to DWS South Africa data.
Is Grassridge Dam reservoir full?
No. As of June 9, 2026, Grassridge Dam is within its normal operating range at 72.5% of its capacity, so it is not full.
Is the water level at Grassridge Dam rising or falling?
The level at Grassridge Dam has been broadly stable over the latest week on record (+1.1 points).
How much water can Grassridge Dam hold?
Grassridge Dam has a total capacity of 45 Mm³.
Where is Grassridge Dam reservoir located?
Grassridge Dam is located in Eastern Cape, South Africa, within the Unknown basin (coordinates 0.000°N, 0.000°E).
What is Grassridge Dam used for?
Grassridge Dam is used primarily for water supply, and is managed by DWS South Africa.