Water · Chart
One dam can hold more water than the other five together
480.2million m³ Theewaterskloof · Highest
Theewaterskloof can hold more than half of all the water Cape Town’s dams can store.
Method and sources
Capacity in millions of cubic metres, as listed in the City snapshot. Capacity is not the amount of water currently stored.
City of Cape Town figures, reading dated 2026-10-30.
Chart updated · 31 Oct 2026. The observation dates above describe the data, not today’s conditions.
Related charts
How full are Cape Town’s six big dams?
100.2% Steenbras Upper · Highest
Select a bar to inspect its value.
Each bar shows how full one dam is. A small dam that is full can still hold less water than a big dam that is half empty.
Source: City of Cape Town · All bars start at zero
Which dam holds most of Cape Town’s water?
350.5million m³ Theewaterskloof · Highest
Select a bar to inspect its value.
Theewaterskloof holds the most water, even though some smaller dams are fuller.
Source: City of Cape Town · All bars start at zero
Cape Town's dams held 48.3% in early May 2026, against 59.9% a year earlier
59.9% Same week, 2025 · Highest
Select a bar to inspect its value.
Dam levels rose by one percentage point in a week, but were still 11.6 points lower than a year earlier. The city remained on early drought caution.
Source: City of Cape Town · All bars start at zero