Clanwilliam Dam Level Today
On the Olifants River, Western Cape. Full supply capacity 122 million m3. Current as of 2026-04-20.
This is critically low. Severe water restrictions are likely in place or imminent for areas supplied by this dam.
Clanwilliam Dam Level History
Showing 2 weekly readings from 2025-10-13 to 2026-04-20.
About Clanwilliam Dam
Clanwilliam Dam is the anchor of the Olifants-Doring Water Management Area on the West Coast. Its wall is currently being raised to increase capacity for regional irrigation.
Clanwilliam Dam has a full supply capacity of 122.5 million cubic metres (Mm3) and sits on the Olifants River in Western Cape. At 16.3% full, the dam currently holds roughly 20.0 Mm3 of water, equivalent to about 19964 million litres.
This is critically low. Severe water restrictions are likely in place or imminent for areas supplied by this dam.
Restriction thresholds to watch: most municipalities begin issuing warning notices when a supply dam drops below 50%, introduce Level 1 restrictions around 40%, and escalate further below 30%. Exact thresholds vary by water authority.
Which Towns and Cities Does Clanwilliam Dam Supply?
Clanwilliam Dam supplies water to Clanwilliam, Citrusdal and West Coast irrigation.
Key supply areas: Clanwilliam, Citrusdal, West Coast irrigation.
Other Dams on the Olifants River
Clanwilliam Dam is one of 5 dams we track on the Olifants River. Sorted by capacity:
| Dam | Province | Cap (Mm3) | Now |
|---|---|---|---|
| Loskop Dam | Mpumalanga | 362 | 100.9% |
| Flag Boshielo Dam | Limpopo | 185 | 102.8% |
| Witbank Dam | Mpumalanga | 104 | 98.3% |
| Bulshoek Dam | Western Cape | 5 | 77.5% |
Clanwilliam Dam - Frequently Asked Questions
Is Clanwilliam Dam running dry?
Clanwilliam Dam is critically low at 16.3% full. This is below the threshold where severe water restrictions are typically imposed. Water supply authorities are likely managing demand actively.
When was Clanwilliam Dam last full?
Based on available data from 2025-10-13 to 2026-04-20, Clanwilliam Dam has not reached 99%+ full within this period. The highest recorded level was 95.8%.
What cities does Clanwilliam Dam supply?
Clanwilliam Dam supplies water to Clanwilliam, Citrusdal and West Coast irrigation. Clanwilliam Dam is the anchor of the Olifants-Doring Water Management Area on the West Coast. Its wall is currently being raised to increase capacity for regional irrigation.
What river is Clanwilliam Dam on?
Clanwilliam Dam is on the Olifants River in Western Cape. Other dams on the Olifants River include Loskop Dam, Flag Boshielo Dam, Witbank Dam.
How is the Clanwilliam Dam level trending?
Clanwilliam Dam is currently at 16.3% full. The level is falling, down 1.1% from last week. Compared to this time last year (30.5%), the dam is noticeably lower.
Other Dams in Western Cape
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