| IVRS River Systems State of Dams on 2026-05-11 |
| # 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 | Photo | Indicators | 1243.0 | 110.5 | 111.9 | 101.4 |
| Grootdraai Dam | Vaal River | Photo | Indicators | 349.8 | 102.6 | 101.6 | 102.7 |
| Heyshope Dam | Assegaai River | Photo | Indicators | 445.0 | 102.7 | 102.1 | 100.5 |
| Jericho Dam | Mpama River | Photo | Indicators | 59.0 | 99.7 | 100.3 | 103.2 |
| Katse Dam | Malibamatso River | Photo | Indicators | 1519.2 | 98.6 | 99.6 | 99.6 |
| Mohale Dam | Senqunyane River | Photo | Indicators | 843.6 | 103.8 | 102.7 | 102.0 |
| Morgenstond Dam | Ngwempisi River | Photo | Indicators | 100.0 | 99.5 | 100.4 | 99.9 |
| Nooitgedacht Dam | Komati River | Photo | Indicators | 78.4 | 100.7 | 99.8 | 99.8 |
| Sterkfontein Dam | Nuwejaarspruit River | Photo | Indicators | 2617.0 | 99.6 | 99.7 | 99.9 |
| Vaal Dam | Vaal River | Photo | Indicators | 2561.0 | 111.0 | 105.1 | 109.8 |
| Vygeboom Dam | Komati River | Photo | Indicators | 78.1 | 101.3 | 100.9 | 100.5 |
| Westoe Dam | Usutu River | Photo | Indicators | 60.1 | 78.5 | 78.5 | 99.7 |
| Woodstock Dam | Tugela River | Photo | Indicators | 355.5 | #94.9 | 94.9 | 102.3 |
| Zaaihoek Dam | Slang River | Photo | Indicators | 184.3 | #100.5 | #100.5 | #100.5 |
Total | 10493.1 | 103.9 | 102.6 | 102.9 |
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