Cape Town's six major dams are holding just 72.5% of total capacity this week — an improvement from 60.2% at the same point last year.
Combined system · Data as of 3 June 2026
72.5%
651,427 ML stored of 898,221 ML total capacity.
▲12.3 pts vs 3 June 2025 (60.2%)
Key indicators · dam storage
Water stored
651.4 Gl
▲ 110.7 Gl vs last year
YoY gap
+12.3pts
vs same week 2025
Highest dam
96.9%
Wemmershoek · was 53.1% in 2025
Lowest dam
51.9%
Steenbras Lower · was 42.3% in 2025
Rainfall — last 12 weeks
mm per week · 2026 vs 2025
Rainfall · June
4 mm
▼ 140 mm vs June 2025
Rainfall · last 12 weeks
248 mm
▲ 71 mm vs same period 2025
Weekly precipitation, Cape Town
2026 (this year)2025 (prior year)
Over the last 12 weeks, Cape Town has received 71 mm more rainfall than the same period in 2025 — a 40% surplus.
Weekly trend — how the gap widened
System total % · Jan–Apr 2026 vs 2025
Combined storage, week by week
2026 (this year)2025 (prior year)
The gap between the two years has widened steadily, from early in the year to a -12.3-point deficit this week. Cape Town is currently at 72.5% compared to 60.2% this time last year.