Vanderkloof Dam Level Today
On the Orange River, Free State. Full supply capacity 3137 million m3. Current as of 2026-06-01.
This dam is over 100% of its full supply capacity - the level officially counted as "100% full". The extra water is held in flood-reserve storage above the normal full level, so water is usually spilling over the spillway or being released through the sluice gates to protect the dam wall, and rivers downstream can run high. It is the opposite of a shortage: the dam is full and overflowing.
Recent trend: Over the last 5 weeks, Vanderkloof Dam has risen 3.5 percentage points - about 0.7% per week.
Vanderkloof Dam Level History
Showing 7 weekly readings from 2025-10-13 to 2026-06-01.
About Vanderkloof Dam
Vanderkloof is the second-largest dam in the country and the tallest dam wall in South Africa. It releases Orange River water for irrigation through the Vanderkloof Canal system and supports hydropower generation.
Vanderkloof Dam has a full supply capacity of 3136.9 million cubic metres (Mm3) and sits on the Orange River in Free State. At 101.9% full, the dam currently holds roughly 3196.5 Mm3 of water, equivalent to about 3196532 million litres.
Which Towns and Cities Does Vanderkloof Dam Supply?
Vanderkloof Dam supplies water to Northern Cape irrigation and Lower Orange towns.
Key supply areas: Northern Cape irrigation, Lower Orange towns.
Other Dams on the Orange River
Vanderkloof Dam is one of 2 dams we track on the Orange River. Sorted by capacity:
| Dam | Province | Cap (Mm3) | Now |
|---|---|---|---|
| Gariep Dam | Free State | 4903 | 99.6% |
Vanderkloof Dam - Frequently Asked Questions
Is Vanderkloof Dam running dry?
No, Vanderkloof Dam is not running dry. At 101.9% full, the dam has adequate water reserves.
When was Vanderkloof Dam last full?
Based on available weekly data, Vanderkloof Dam most recently reached 99%+ full around 2026-06-01.
What cities does Vanderkloof Dam supply?
Vanderkloof Dam supplies water to Northern Cape irrigation and Lower Orange towns. Vanderkloof is the second-largest dam in the country and the tallest dam wall in South Africa. It releases Orange River water for irrigation through the Vanderkloof Canal system and supports hydropower generation.
What river is Vanderkloof Dam on?
Vanderkloof Dam is on the Orange River in Free State. Other dams on the Orange River include Gariep Dam.
How is the Vanderkloof Dam level trending?
Vanderkloof Dam is currently at 101.9% full. The level is falling, down 3.5% from last week. The level is similar to the same period last year (99.7%).
Other Dams in Free State
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