| IVRS River Systems State of Dams on 2025-12-08 |
| # Means latest available data |
| FSC is full storage capacity in million cubic meters |
| Dam | River | Photo | Indicators | FSC | This Week | Last Week | Last Year |
| Bloemhof Dam | Vaal River | | Indicators | 1243.0 | 99.5 | 101.2 | 71.2 |
| Grootdraai Dam | Vaal River | | Indicators | 349.6 | 102.9 | 102.6 | 67.4 |
| Heyshope Dam | Assegaai River | | Indicators | 445.0 | 100.9 | 101.0 | 95.7 |
| Jericho Dam | Mpama River | | Indicators | 59.0 | 95.8 | 94.5 | 60.7 |
| Katse Dam | Malibamatso River | | Indicators | 1519.2 | 100.0 | 100.3 | 69.2 |
| Mohale Dam | Senqunyane River | | Indicators | 843.6 | 102.5 | 102.7 | 101.6 |
| Morgenstond Dam | Ngwempisi River | | Indicators | 100.0 | 100.1 | 100.3 | 62.9 |
| Nooitgedacht Dam | Komati River | | Indicators | 78.4 | 99.8 | 101.0 | 74.6 |
| Sterkfontein Dam | Nuwejaarspruit River | | Indicators | 2617.0 | 99.9 | 100.1 | 97.5 |
| Vaal Dam | Vaal River | | Indicators | 2561.0 | 100.4 | 103.4 | 26.8 |
| Vygeboom Dam | Komati River | | Indicators | 78.1 | 101.4 | 101.4 | 83.6 |
| Westoe Dam | Usutu River | | Indicators | 60.1 | 71.9 | 67.3 | 35.2 |
| Woodstock Dam | Tugela River | | Indicators | 355.5 | 97.5 | 97.5 | 83.9 |
| Zaaihoek Dam | Slang River | | Indicators | 184.3 | 100.5 | 100.5 | 84.8 |
Total | 10492.9 | 100.1 | 101.1 | 70.4 |
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