| Dam | Capacity | 1 Dec 08 | 1 May 09 | 25 Jan 2010 | Increase (+) from 1 May | |||
| Storage | % | Storage | % | Storage | % | Mcm | ||
| Steenbras Upper | 31.7 | 31 | 99% | 27 | 85% | 23 | 74% | -4 |
| Steenbras Lower |
33.5 | 32 | 94% | 14 | 40% | 25 | 73% | 11 |
| Wemmershoek | 58.6 | 54 | 92% | 22 | 38% | 45 | 77% | 22 |
| Voëlvlei | 165.4 | 162 | 98% | 96 | 58% | 138 | 83% | 42 |
| Theewaterskloof | 480.2 | 480 | 100% | 333 | 69% | 412 | 86% | 79 |
| Berg River Dam | 130 | 129 | 99% | 81 | 62% | 128 | 98.7% | 48 |
| Total including BRD | 899.4 | 888 | 99% | 572 | 64% | 771 | 85.7% | 199 |
| Dam | Capacity | 1 Dec 08 | 1 May 09 | 11 Jan 2010 | Increase (+) from 1 May | |||
| Storage | % | Storage | % | Storage | % | Mcm | ||
| Steenbras Upper | 31.7 | 31 | 99% | 27 | 85% | 25 | 78% | -2 |
| Steenbras Lower |
33.5 | 32 | 94% | 14 | 40% | 27 | 81% | 13 |
| Wemmershoek | 58.6 | 54 | 92% | 22 | 38% | 49 | 83% | 26 |
| Voëlvlei | 165.4 | 162 | 98% | 96 | 58% | 144 | 87% | 49 |
| Theewaterskloof | 480.2 | 480 | 100% | 333 | 69% | 433 | 90% | 100 |
| Berg River Dam | 130 | 129 | 99% | 81 | 62% | 129 | 99.1% | 48 |
| Total including BRD | 899.4 | 888 | 99% | 572 | 64% | 807 | 89.7% | 235 |