National dam surface water monitoring

BukaEarth converts satellite imagery into monthly surface-area measurements for monitored dams, flags significant declines, and gives water boards a single view of national status.

Dams monitored

Declining trend (YoY)

Critical / low extent

Last data refresh

Aug 2026

Monitored water bodies

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Status snapshot

Vaal Dam
Free State · 29 036 ha
-1.5%Normal
Theewaterskloof Dam
Western Cape · 3 114 ha
-19.6%Critical
Gariep Dam
Free State · 37 613 ha
+1.3%Normal
Hazelmere Dam
KwaZulu-Natal · 360 ha
-11.5%Below Average
Sterkfontein Dam
Free State · 6 731 ha
+0.4%Normal
Loskop Dam
Mpumalanga · 1 986 ha
-4.1%Below Average
Midmar Dam
KwaZulu-Natal · 1 423 ha
-3.2%Normal
Clanwilliam Dam
Western Cape · 988 ha
-14.2%Critical
Kouga Dam
Eastern Cape · 390 ha
-21.1%Critical
Molatedi Dam
North West · 982 ha
+4.9%Normal