| C Drainage Region State of Dams on 2026-01-12 |
| # 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 | | Indicators | 172.5 | 98.9 | 100.2 | 38.2 |
| Bloemhof Dam | Vaal River | | Indicators | 1243.0 | 98.2 | 98.0 | 72.4 |
| Boskop Dam | Mooi River | | Indicators | 20.0 | 103.4 | 104.2 | 102.8 |
| Douglas Weir Dam | Vaal River | | Indicators | 16.3 | 122.5 | 125.1 | 108.0 |
| Elandskuil Dam | Swartleegte River | | Indicators | 1.2 | 107.0 | 110.2 | 107.0 |
| Erfenis Dam | Groot-Vet River | | Indicators | 206.1 | 98.9 | 100.3 | 66.5 |
| Fika-Patso Dam | Namahadi River | | Indicators | 29.5 | 98.7 | 99.6 | 54.1 |
| Grootdraai Dam | Vaal River | | Indicators | 349.6 | 101.9 | 101.4 | 98.0 |
| Groothoek Dam | Kgabanyane River | | Indicators | 12.0 | 48.7 | 49.8 | 46.6 |
| Johan Neser Dam | Skoonspruit River | | Indicators | 5.7 | 101.7 | #101.7 | 101.7 |
| Kalkfontein Dam | Riet River | | Indicators | 325.2 | 94.4 | 96.4 | 69.8 |
| Klerkskraal Dam | Mooi River | | Indicators | 8.0 | 119.0 | #119.0 | 107.9 |
| Klipdrift Dam | Loopspruit River | | Indicators | 13.4 | 102.2 | #103.3 | 101.8 |
| Koppies Dam | Renoster River | | Indicators | 42.4 | 98.4 | 99.7 | 81.3 |
| Krugersdrift Dam | Modder River | | Indicators | 71.5 | 99.2 | 100.0 | 63.7 |
| Metsi-Matsho Dam | Metsi-Matsho River | | Indicators | 4.4 | 102.2 | 100.7 | 104.6 |
| Potchefstroom Dam | Mooi River | | Indicators | 2.1 | 103.8 | 105.4 | 103.7 |
| Rietspruit Dam | Rietspruit River | | Indicators | 7.3 | 102.3 | 102.9 | 55.7 |
| Rustfontein Dam | Modder River | | Indicators | 72.2 | 45.0 | 46.3 | 47.7 |
| Saulspoort Dam | Liebenbergsvlei River | | Indicators | 15.1 | 99.8 | 99.8 | 80.3 |
| Spitskop Dam | Harts River | | Indicators | 57.9 | 103.5 | 100.9 | 40.0 |
| Sterkfontein Dam | Nuwejaarspruit River | | Indicators | 2617.0 | 100.1 | 100.1 | 98.1 |
| Taung Dam | Harts River | | Indicators | 61.4 | 101.1 | 100.6 | 82.8 |
| Tierpoort Dam | Tierpoort River | | Indicators | 34.0 | 98.9 | 99.7 | 64.6 |
| Vaal Dam | Vaal River | | Indicators | 2561.0 | 102.0 | 103.8 | 35.0 |
| Vaalharts Weir Dam | Vaal River | | Indicators | 50.7 | 76.1 | 84.1 | 74.4 |
| Vaalrivier Barrage Dam | Vaal River | | Indicators | 53.7 | #87.0 | #87.0 | 98.4 |
Total | 8051.7 | 99.5 | 100.2 | 68.9 |
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