Vaalharts Weir Dam Level Today
On the Vaal River, Northern Cape. Full supply capacity 51 million m3. Current as of 2026-08-31.
This is a healthy level with comfortable reserves.
Recent trend: Over the last 5 weeks, Vaalharts Weir Dam has fallen 8.4 percentage points - about 1.68% per week.
Vaalharts Weir Dam Level History
Showing 16 weekly readings from 2025-10-13 to 2026-08-31.
About Vaalharts Weir Dam
Vaalharts Weir diverts Vaal River water into the Vaalharts canals, supplying one of the largest irrigation schemes on the continent.
Vaalharts Weir Dam has a full supply capacity of 50.7 million cubic metres (Mm3) and sits on the Vaal River in Northern Cape. At 81.6% full, the dam currently holds roughly 41.4 Mm3 of water, equivalent to about 41355 million litres.
Which Towns and Cities Does Vaalharts Weir Dam Supply?
Vaalharts Weir Dam supplies water to Vaalharts Irrigation Scheme.
Key supply areas: Vaalharts Irrigation Scheme.
Other Dams on the Vaal River
Vaalharts Weir Dam is one of 5 dams we track on the Vaal River. Sorted by capacity:
| Dam | Province | Cap (Mm3) | Now |
|---|---|---|---|
| Vaal Dam | Free State | 2561 | 100.6% |
| Bloemhof Dam | Free State | 1243 | 109.6% |
| Grootdraai Dam | Mpumalanga | 350 | 96.9% |
| Vaal Barrage | Free State | 54 | 97% |
Vaalharts Weir Dam - Frequently Asked Questions
Is Vaalharts Weir Dam running dry?
No, Vaalharts Weir Dam is not running dry. At 81.6% full, the dam has adequate water reserves.
When was Vaalharts Weir Dam last full?
Based on available data from 2025-10-13 to 2026-08-31, Vaalharts Weir Dam has not reached 99%+ full within this period. The highest recorded level was 91.1%.
What cities does Vaalharts Weir Dam supply?
Vaalharts Weir Dam supplies water to Vaalharts Irrigation Scheme. Vaalharts Weir diverts Vaal River water into the Vaalharts canals, supplying one of the largest irrigation schemes on the continent.
What river is Vaalharts Weir Dam on?
Vaalharts Weir Dam is on the Vaal River in Northern Cape. Other dams on the Vaal River include Vaal Dam, Bloemhof Dam, Grootdraai Dam.
How is the Vaalharts Weir Dam level trending?
Vaalharts Weir Dam is currently at 81.6% full. The level is falling, down 3.2% from last week. The level is similar to the same period last year (81.2%).
Other Dams in Northern Cape
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