| C Drainage Region State of Dams on 2026-04-06 |
| # Means latest available data |
| FSC is full storage capacity in million cubic meters |
| Dam | River | Photo | Indicators | FSC | This Week | Last Week | Last Year |
| Allemanskraal Dam | Sand River | Photo | Indicators | 172.5 | 100.6 | 103.3 | 42.9 |
| Bloemhof Dam | Vaal River | Photo | Indicators | 1243.0 | 105.0 | 109.4 | 108.2 |
| Boskop Dam | Mooi River | Photo | Indicators | 20.0 | 103.6 | 105.6 | 103.2 |
| Douglas Weir Dam | Vaal River | Photo | Indicators | 16.3 | 125.1 | 131.0 | 133.5 |
| Elandskuil Dam | Swartleegte River | Photo | Indicators | 1.2 | 108.6 | 108.6 | 109.0 |
| Erfenis Dam | Groot-Vet River | Photo | Indicators | 213.8 | 100.5 | 102.6 | 79.3 |
| Fika-Patso Dam | Namahadi River | Photo | Indicators | 29.5 | #100.0 | 100.0 | 100.0 |
| Grootdraai Dam | Vaal River | Photo | Indicators | 349.8 | 101.2 | 101.5 | 101.6 |
| Groothoek Dam | Kgabanyane River | Photo | Indicators | 12.0 | 68.3 | 66.9 | 52.8 |
| Johan Neser Dam | Skoonspruit River | Photo | Indicators | 5.7 | 101.7 | 103.9 | #105.5 |
| Kalkfontein Dam | Riet River | Photo | Indicators | 325.2 | 101.1 | 101.7 | 80.0 |
| Klerkskraal Dam | Mooi River | Photo | Indicators | 8.0 | #135.6 | #135.6 | 111.2 |
| Klipdrift Dam | Loopspruit River | Photo | Indicators | 13.4 | #101.8 | #101.8 | 110.1 |
| Koppies Dam | Renoster River | Photo | Indicators | 42.4 | 101.3 | 107.4 | 131.9 |
| Krugersdrift Dam | Modder River | Photo | Indicators | 71.5 | 103.4 | 103.4 | 107.4 |
| Metsi-Matsho Dam | Metsi-Matsho River | Photo | Indicators | 4.4 | #102.6 | 102.6 | 108.1 |
| Potchefstroom Dam | Mooi River | Photo | Indicators | 2.1 | 103.8 | 107.8 | 105.8 |
| Rietspruit Dam | Rietspruit River | Photo | Indicators | 7.3 | 101.9 | 103.6 | 105.1 |
| Rustfontein Dam | Modder River | Photo | Indicators | 72.2 | 58.8 | 58.0 | 48.0 |
| Saulspoort Dam | Liebenbergsvlei River | Photo | Indicators | 15.1 | 102.2 | 102.7 | 112.9 |
| Spitskop Dam | Harts River | Photo | Indicators | 57.9 | 105.8 | 104.0 | 68.9 |
| Sterkfontein Dam | Nuwejaarspruit River | Photo | Indicators | 2617.0 | 99.9 | 99.9 | 99.5 |
| Taung Dam | Harts River | Photo | Indicators | 61.4 | 99.1 | 99.2 | 93.1 |
| Tierpoort Dam | Tierpoort River | Photo | Indicators | 34.0 | 101.0 | 100.2 | 76.7 |
| Vaal Dam | Vaal River | Photo | Indicators | 2561.0 | 104.6 | 104.5 | 109.5 |
| Vaalharts Weir Dam | Vaal River | Photo | Indicators | 50.7 | 75.8 | 80.2 | 85.2 |
| Vaalrivier Barrage Dam | Vaal River | Photo | Indicators | 53.7 | 99.5 | 98.8 | 95.1 |
Total | 8059.6 | 101.9 | 102.8 | 101.0 |
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