All dams
Clanwilliam Dam
CriticalClanwilliam, Western Cape · Baseline 1 450 ha · Updated Aug 2026
Current surface area
988 ha
vs historical baseline
-31.9%
Month-on-month
-10.3%
Year-on-year change
-14.2%
Surface water area (hectares)
Location
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Month-on-month change (%)
| Date | Surface area | % vs previous | % vs historical average |
|---|---|---|---|
| Aug 2026 | 988 ha | -10.3% | -31.9% |
| Jul 2026 | 1 101 ha | -11.2% | -24.1% |
| Jun 2026 | 1 240 ha | -6.5% | -14.5% |
| May 2026 | 1 327 ha | -4.1% | -8.5% |
| Apr 2026 | 1 383 ha | +1.0% | -4.6% |
| Mar 2026 | 1 369 ha | +3.5% | -5.6% |
| Feb 2026 | 1 323 ha | +11.9% | -8.8% |
| Jan 2026 | 1 183 ha | +4.5% | -18.4% |
| Dec 2025 | 1 132 ha | +7.0% | -21.9% |
| Nov 2025 | 1 058 ha | +2.2% | -27.0% |
| Oct 2025 | 1 035 ha | -4.4% | -28.6% |
| Sept 2025 | 1 083 ha | -5.9% | -25.3% |